एपीए उद्धरण

Griff, A. L. (1968). Plastics Extrusion Technology (2nd ed.). Reinhold.

शिकागो स्टाइल उद्धरण

Griff, Allan L. Plastics Extrusion Technology. 2nd ed. New York: Reinhold, 1968.

एमएलए उद्धरण

Griff, Allan L. Plastics Extrusion Technology. 2nd ed. Reinhold, 1968.