Παραπομπή APA

(1970). Planning 1970: Selected papers from ASPO National Planning Conference New York City April 4-9, 1970. Chicago: American Society of Planning Officials.

Παραπομπή Chicago Style

Planning 1970: Selected Papers From ASPO National Planning Conference New York City April 4-9, 1970. Chicago: American Society of Planning Officials, 1970.

Παραπομπή MLA

Planning 1970: Selected Papers From ASPO National Planning Conference New York City April 4-9, 1970. Chicago: American Society of Planning Officials, 1970.

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