Παραπομπή APA

Selman, P. H. (2000). Environmental planning: The conservation and development of biophysical resources (2nd ed.). Sage Publications.

Παραπομπή Chicago Style

Selman, Paul H. Environmental Planning: The Conservation and Development of Biophysical Resources. 2nd ed. London ; Thousand Oaks: Sage Publications, 2000.

Παραπομπή MLA

Selman, Paul H. Environmental Planning: The Conservation and Development of Biophysical Resources. 2nd ed. Sage Publications, 2000.