APA (7 ম সংস্করণ) উদ্ধৃতি

Lessmark, O. (1983). Competition between perch (Perca fluviatilis) and roach (Rutilus rutilus) in south Swedish lakes.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Lessmark, Olof. Competition Between Perch (Perca Fluviatilis) and Roach (Rutilus Rutilus) in South Swedish Lakes. 1983.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Lessmark, Olof. Competition Between Perch (Perca Fluviatilis) and Roach (Rutilus Rutilus) in South Swedish Lakes. 1983.