The Use of Treatment Wetlands for Petroleum Industry Effluents
standard by American Petroleum Institute, 10/01/1998

Manual of Petroleum Measurement Standards Chapter 17.1, Guidelines for Marine Inspection, Sixth Edition
Handbook / Manual / Guide by American Petroleum Institute, 06/01/2014

Specification for Line Pipe, Thirtieth Edition
standard by American Petroleum Institute, 03/01/1978

API Standard Paragraphs Rotodynamic Tutorial: Lateral Critical Speeds, Unbalance Response, Stability, Train Torsionals and Rotor Balancing, Second Edition – WITH BINDER
standard by American Petroleum Institute, 08/01/2005

Identifying and Measuring Nonuse Values for Natural and Environmental Resources
standard by American Petroleum Institute, 08/01/1995

Butterfly Valves: Double Flanged, Lug- and Wafer-Type
standard by American Petroleum Institute, 05/01/2004

Drill Through Equipment-Rotating Control Devices, First Edition
standard by American Petroleum Institute, 02/01/2005

Specification 14L, ISO 16070: Lock Mandrels and Landing Nipples, First Edition
standard by American Petroleum Institute, 10/01/2001

Selecting Field Analytical Methods- A Decision-Tree Approach
standard by American Petroleum Institute, 08/01/1998

Centrifugal Pumps for General Refinery Service, Third Edition
standard by American Petroleum Institute, 01/01/1960