Lua APA (7ú heag.)

Stephens, G. C., & Best North, B. (1974). Biology. John Wiley and Sons.

Lua i Stíl Chicago (17ú heag.)

Stephens, Grover C., agus Barbara Best North. Biology. NewYork: John Wiley and Sons, 1974.

Lua MLA (9ú heag.)

Stephens, Grover C., agus Barbara Best North. Biology. John Wiley and Sons, 1974.

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