Gaya APA

P.E., T, H. (1987). RECIPROCATING PUMPS . Van Nostrand Reinhold: VAN NOSTRAND REINHOLD COMPANY.

Gaya MLA

P.E., TERRYL., HENSHAW,. "RECIPROCATING PUMPS". Van Nostrand Reinhold: VAN NOSTRAND REINHOLD COMPANY, 1987. Text Book Industri.