एपीए उद्धरण

Roberts, H. E. (1970). Practical refrigeration for marine engineers. James Munro.

शिकागो स्टाइल उद्धरण

Roberts, H E. Practical Refrigeration for Marine Engineers. Glasgow: James Munro, 1970.

एमएलए उद्धरण

Roberts, H E. Practical Refrigeration for Marine Engineers. James Munro, 1970.