Kashyap, A. (2015). Teaching of environment and pollution education. Swastik Publication.
Chicago-referens (17:e uppl.)Kashyap, A.K. Teaching of Environment and Pollution Education. Delhi: Swastik Publication, 2015.
MLA-referens (9:e uppl.)Kashyap, A.K. Teaching of Environment and Pollution Education. Swastik Publication, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.