APA Alıntı

Joseph,Benny. (2018). Environmental Studies (3e ed.). Mc Graw hill.

Chicago Stili Alıntı

Joseph,Benny. Environmental Studies. 3e ed. NewDelhi: Mc Graw hill, 2018.

MLA Alıntı

Joseph,Benny. Environmental Studies. 3e ed. Mc Graw hill, 2018.