Citazione Stile APA (7a Edizione)
De, A. K., & Kumar De, A. (2005). Environmental studies: (for B.A., B.Sc. and B.Com students) (Rev. 2nd ed.). New Age International (P) Ltd., Publishers.
Citazione stile Chigago Style (17a edizione)
De, Anil K., e Arnab Kumar De. Environmental Studies: (for B.A., B.Sc. and B.Com Students). Rev. 2nd ed. New Delhi: New Age International (P) Ltd., Publishers, 2005.
Citatione MLA (9a ed.)
De, Anil K., e Arnab Kumar De. Environmental Studies: (for B.A., B.Sc. and B.Com Students). Rev. 2nd ed. New Age International (P) Ltd., Publishers, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.