Cita APA

Qazi, N. S., & Qazi, S. A. (2007). Natural resource conservation.

Chicago Edition Citation

Qazi, Navaid Shabir, i S A. Qazi. Natural Resource Conservation. Newdelhi, A P H Publishing, 2007.

Cita MLA

Qazi, Navaid Shabir, i S A. Qazi. Natural Resource Conservation. 2007.