Toy, T. J., & Hadley, R. F. (1987). Geomorphology and reclamation of disturbed lands. Academic Press.
Lua i Stíl Chicago (17ú heag.)Toy, Terrence J., agus Richard F. Hadley. Geomorphology and Reclamation of Disturbed Lands. Orlando, FL: Academic Press, 1987.
Lua MLA (9ú heag.)Toy, Terrence J., agus Richard F. Hadley. Geomorphology and Reclamation of Disturbed Lands. Academic Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.