Cita APA (7th ed.)

Kumar, A., & Sudhakar, K. (2011). Energy, Environment, Ecology and Society. B S Publications An Unit of BSP Books Pvt. Ltd.

Cita Chicago (17th ed.)

Kumar, Anil, i K. Sudhakar. Energy, Environment, Ecology and Society. Hyderabad: B S Publications An Unit of BSP Books Pvt. Ltd, 2011.

Cita MLA (9th ed.)

Kumar, Anil, i K. Sudhakar. Energy, Environment, Ecology and Society. B S Publications An Unit of BSP Books Pvt. Ltd, 2011.