Gaya APA

Peter, S., ZAPPE, R. (2004). Valve Selection Handbook: Engineering Fundamentals for Selecting the Right Valve Design for Every Industrial Flow Application (5). Amsterdam: Elsevier.

Gaya MLA

Peter, SMITH.., ZAPPE, RW. "Valve Selection Handbook: Engineering Fundamentals for Selecting the Right Valve Design for Every Industrial Flow Application". 5 Amsterdam: Elsevier, 2004. Printed.