Ford, R. F., & Hazen, W. E. (1972). Readings in aquatic ecology. Saunders.
Lua i Stíl Chicago (17ú heag.)Ford, Richard F., agus William E. Hazen. Readings in Aquatic Ecology. Philadelphia: Saunders, 1972.
Lua MLA (8ú heag.)Ford, Richard F., agus William E. Hazen. Readings in Aquatic Ecology. Saunders, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.