Παραπομπή APA

Lodewijks, J. . M. (1967). Tropical fish in the aquarium. Blandford press.

Παραπομπή Chicago Style

Lodewijks, J M. Tropical Fish in the Aquarium. London: Blandford press, 1967.

Παραπομπή MLA

Lodewijks, J M. Tropical Fish in the Aquarium. Blandford press, 1967.