Batra,Sanjay Kumar & others. (2015). Environmental Studies. Taxmans.
Chicago (17e ed.) BronvermeldingBatra,Sanjay Kumar & others. Environmental Studies. New Delhi: Taxmans, 2015.
MLA (9e ed.) BronvermeldingBatra,Sanjay Kumar & others. Environmental Studies. Taxmans, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.