एपीए उद्धरण

Graff, W. J. (1981). Introduction to offshore structures: :design fabrication installation. Gulf publishing.

शिकागो स्टाइल उद्धरण

Graff, W J. Introduction to Offshore Structures: :design Fabrication Installation. London: Gulf publishing, 1981.

एमएलए उद्धरण

Graff, W J. Introduction to Offshore Structures: :design Fabrication Installation. Gulf publishing, 1981.