Gaya APA

Institute., A, P. (1967). Pump and compressor drivers : pilot 8. unit five, couplings, gear trains and v belt drives. (1967). : Dallas : American Petroleum Institute,.

Gaya MLA

Institute., American, Petroleum. "Pump and compressor drivers : pilot 8. unit five, couplings, gear trains and v belt drives.". 1967 : Dallas : American Petroleum Institute,, 1967. Text.