Cita APA (7a ed.)

Poonia M.P. & Sharma S.C. (2023). Environmental Studies (03rd.). Khanna Publications.

Cita Chicago Style (17a ed.)

Poonia M.P. & Sharma S.C. Environmental Studies. 03rd. New Delhi: Khanna Publications, 2023.

Cita MLA (9a ed.)

Poonia M.P. & Sharma S.C. Environmental Studies. 03rd. Khanna Publications, 2023.