Παραπομπή APA

(1957). Planning 1957: Selected papers from the National Planning Conference San Francisco, California March 17-21, 1957. Chicago: American Society of Planning Officials.

Παραπομπή Chicago Style

Planning 1957: Selected Papers From the National Planning Conference San Francisco, California March 17-21, 1957. Chicago: American Society of Planning Officials, 1957.

Παραπομπή MLA

Planning 1957: Selected Papers From the National Planning Conference San Francisco, California March 17-21, 1957. Chicago: American Society of Planning Officials, 1957.

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