APA استشهاد

Bleeker, P. (1972). Papers on fishes V4: V4. Asher company.

استشهاد بنمط شيكاغو

Bleeker, Pieter. Papers on Fishes V4: V4. Amsterdam: Asher company, 1972.

MLA استشهاد

Bleeker, Pieter. Papers on Fishes V4: V4. Asher company, 1972.