VASHIST HIMANSHU. (2002). ENVIRONMENTAL EDUCATION: PROBLEMS AND SOLUTIONS. JAIPUR.
Chicago-referens (17:e uppl.)VASHIST HIMANSHU. ENVIRONMENTAL EDUCATION: PROBLEMS AND SOLUTIONS. BOOK ENCLAVE: JAIPUR, 2002.
MLA-referens (9:e uppl.)VASHIST HIMANSHU. ENVIRONMENTAL EDUCATION: PROBLEMS AND SOLUTIONS. JAIPUR, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.