Παραπομπή APA

Belopol'skii, L. O. (1961). Ecology of sea colony birds of the barents sea. IPST.

Παραπομπή Chicago Style

Belopol'skii, L O. Ecology of Sea Colony Birds of the Barents Sea. Jerusalem: IPST, 1961.

Παραπομπή MLA

Belopol'skii, L O. Ecology of Sea Colony Birds of the Barents Sea. IPST, 1961.