Gaya APA

Institute, A, P. (2015). Positive Displacement Pumps - Rotary (API STD 676 Third Edition, November 2009, Reaffirmed, March 2015) (Thrid Edition, November 2009). Washington: Washington DC : American Petroleum Inst.,.

Gaya MLA

Institute, American, Petroleum. "Positive Displacement Pumps - Rotary (API STD 676 Third Edition, November 2009, Reaffirmed, March 2015)". Thrid Edition, November 2009 Washington: Washington DC : American Petroleum Inst.,, 2015. Text.