एपीए उद्धरण

Derrick, D. (1981). Navigation for Offshore and Ocean Sailors. David & Charles.

शिकागो स्टाइल उद्धरण

Derrick, David. Navigation for Offshore and Ocean Sailors. Newton Abbot: David & Charles, 1981.

एमएलए उद्धरण

Derrick, David. Navigation for Offshore and Ocean Sailors. David & Charles, 1981.