Gaya APA

Institute, A, P. (2015). Positive Displacement Pumps - Controlled Volume for Petroleum, Chemical, and Gas Industry Services ( API STD 675, 3rd Edition, April 2015, Errata, June 2014, Errata 2, April 2015) (Third Edition, 2012). Washington: Washington DC : American Petroleum Inst.,.

Gaya MLA

Institute, American, Petroleum. "Positive Displacement Pumps - Controlled Volume for Petroleum, Chemical, and Gas Industry Services ( API STD 675, 3rd Edition, April 2015, Errata, June 2014, Errata 2, April 2015)". Third Edition, 2012 Washington: Washington DC : American Petroleum Inst.,, 2015. Text.