ebrary, Inc, Forrant, R., & Silka, L. (2006). Inside and out: Universities and education for sustainable development. Baywood.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, Robert Forrant, agus Linda Silka. Inside and Out: Universities and Education for Sustainable Development. Amityville, N.Y.: Baywood, 2006.
Lua MLA (9ú heag.)ebrary, Inc, et al. Inside and Out: Universities and Education for Sustainable Development. Baywood, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.