APA (7 ম সংস্করণ) উদ্ধৃতি

Jensen, P. (1987). Ecological studies of free-living aquatic nematodes =: Økologiske studier af fritlevende akvatiske nematoder (rundorme). P. Jensen.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Jensen, Preben. Ecological Studies of Free-living Aquatic Nematodes =: Økologiske Studier Af Fritlevende Akvatiske Nematoder (rundorme). [Helsingør, Denmark]: P. Jensen, 1987.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Jensen, Preben. Ecological Studies of Free-living Aquatic Nematodes =: Økologiske Studier Af Fritlevende Akvatiske Nematoder (rundorme). P. Jensen, 1987.