Gopal Rao, D. (1974). Population education: A guide to curriculum and teacher education ([1st ed.].). Sterling Publishers.
Chicago-referens (17:e uppl.)Gopal Rao, D. Population Education: A Guide to Curriculum and Teacher Education. [1st ed.]. New Delhi: Sterling Publishers, 1974.
MLA-referens (9:e uppl.)Gopal Rao, D. Population Education: A Guide to Curriculum and Teacher Education. [1st ed.]. Sterling Publishers, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.