Lua APA (7ú heag.)

Curtis, H. (1975). Biology (2nd.ed.). Worth.

Lua i Stíl Chicago (17ú heag.)

Curtis, Helena. Biology. 2nd.ed. New York: Worth, 1975.

Lua MLA (9ú heag.)

Curtis, Helena. Biology. 2nd.ed. Worth, 1975.

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