Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.