Lua APA (7ú heag.)

Bear, F. E. (1955). Soils in relation to crop growth. Reinhold.

Lua i Stíl Chicago (17ú heag.)

Bear, Firman E. Soils in Relation to Crop Growth. New York: Reinhold, 1955.

Lua MLA (9ú heag.)

Bear, Firman E. Soils in Relation to Crop Growth. Reinhold, 1955.

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