Cita APA

Asthana, S. (1991). Environment resource planning 200 6 AD.

Chicago Edition Citation

Asthana, S.P. Environment Resource Planning 200 6 AD. :, 1991.

Cita MLA

Asthana, S.P. Environment Resource Planning 200 6 AD. 1991.

Atenció: Aquestes cites poden no estar 100% correctes.