Παραπομπή APA

Lowenthal, D. (1972). Environmental assessment: : a case study of Columbus, Ohio. New York: Americal Geographic Society.

Παραπομπή Chicago Style

Lowenthal, David. Environmental Assessment: : A Case Study of Columbus, Ohio. New York: Americal Geographic Society, 1972.

Παραπομπή MLA

Lowenthal, David. Environmental Assessment: : A Case Study of Columbus, Ohio. New York: Americal Geographic Society, 1972.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.