एपीए उद्धरण

Gulland. (1971). Fish resources of the ocean. Fishing News Books Ltd.

शिकागो स्टाइल उद्धरण

Gulland. Fish Resources of the Ocean. England: Fishing News Books Ltd, 1971.

एमएलए उद्धरण

Gulland. Fish Resources of the Ocean. Fishing News Books Ltd, 1971.