Vashist, H. (2003). Environmental education: Problems and solutions. Book Enclave.
Citazione stile Chigago Style (17a edizione)Vashist, Himanshu. Environmental Education: Problems and Solutions. Jaipur: Book Enclave, 2003.
Citatione MLA (9a ed.)Vashist, Himanshu. Environmental Education: Problems and Solutions. Book Enclave, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.