Παραπομπή APA

Dutta, R. (1971). Beginner's guide to tropical fish and fish tanks. Sphere books.

Παραπομπή Chicago Style

Dutta, Reginald. Beginner's Guide to Tropical Fish and Fish Tanks. London: Sphere books, 1971.

Παραπομπή MLA

Dutta, Reginald. Beginner's Guide to Tropical Fish and Fish Tanks. Sphere books, 1971.