एपीए उद्धरण

berg,leo s. (1947). CLASSIFICTION OF FISHES BOTH RECENTANDFOSSIL. ANN ARBOR.

शिकागो स्टाइल उद्धरण

berg,leo s. CLASSIFICTION OF FISHES BOTH RECENTANDFOSSIL. USA: ANN ARBOR, 1947.

एमएलए उद्धरण

berg,leo s. CLASSIFICTION OF FISHES BOTH RECENTANDFOSSIL. ANN ARBOR, 1947.