Παραπομπή APA

Vevers, G. (1972). Collins guide to aquarium fishes and plants. Collins.

Παραπομπή Chicago Style

Vevers, Guynne. Collins Guide to Aquarium Fishes and Plants. London: Collins, 1972.

Παραπομπή MLA

Vevers, Guynne. Collins Guide to Aquarium Fishes and Plants. Collins, 1972.