Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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