एपीए उद्धरण

Unterwiser, P. M. (1972). Forging Design Handbook. American Socety for Metals.

शिकागो स्टाइल उद्धरण

Unterwiser, Paul M. Forging Design Handbook. Ohio: American Socety for Metals, 1972.

एमएलए उद्धरण

Unterwiser, Paul M. Forging Design Handbook. American Socety for Metals, 1972.