API MPMS Chapter 9 – Density Determination, Section 2-Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer, Second Edition
Handbook / Manual / Guide by American Petroleum Institute, 03/01/2003

Flow-control devices for side-pocket mandrels, First Edition (ISO 17078-2:2007 Modification), Includes Addendum 1 (2019)
standard by American Petroleum Institute, 06/01/2010

Inspection of Pressure Relieving Devices
standard by American Petroleum Institute, 12/01/2000

Specification for Line Pipe, Fourteenth Edition
standard by American Petroleum Institute, 03/01/1955

Specification for Drill Pipe, First Edition (Identical Adoption of ISO 11961:2008)
standard by American Petroleum Institute, 08/01/2009

Gas Lift Valve Performance Testing
standard by American Petroleum Institute, 03/01/2001

Understanding and Preparing Applications for Petroleum Facility NPDES Discharge Permits
standard by American Petroleum Institute, 12/01/1999

Guidance Document for Discharging of Petroleum Distribution Terminal Effluents to Publicly Owned Treatment Works, 1st Edition
standard by American Petroleum Institute, 11/01/1996

Specification for Line Pipe, Sixteenth Edition
standard by American Petroleum Institute, 04/01/1957

Specification for Fabricated Structural Steel Pipe
standard by American Petroleum Institute, 05/01/1996