Παραπομπή APA

(1971). The municipal year book 1971: The authoritative source book of urban data and developments. Washington, D.C: International City Management Association..

Παραπομπή Chicago Style

The Municipal Year Book 1971: The Authoritative Source Book of Urban Data and Developments. Washington, D.C: International City Management Association., 1971.

Παραπομπή MLA

The Municipal Year Book 1971: The Authoritative Source Book of Urban Data and Developments. Washington, D.C: International City Management Association., 1971.

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