Cita APA

Purohit, S. S., & Ashok K Agareal. (2004). Ecology and environmental biology. Student edition.

Chicago Edition Citation

Purohit, S S., i Ashok K Agareal. Ecology and Environmental Biology. Jodhpur: Student edition, 2004.

Cita MLA

Purohit, S S., i Ashok K Agareal. Ecology and Environmental Biology. Student edition, 2004.