Cita APA (7th ed.)

Weaver, R. (1970). Process piping drafting. Gulf Pub. Co..

Cita Chicago (17th ed.)

Weaver, Rip. Process Piping Drafting. Houston, Tex: Gulf Pub. Co., 1970.

Cita MLA (8th ed.)

Weaver, Rip. Process Piping Drafting. Gulf Pub. Co., 1970.

Atenció: Aquestes cites poden no estar 100% correctes.