APA aipamena

Muth,Richard F. (1975). Urban economic problems. Harper & Row Publishers.

Chicago Style aipamena

Muth,Richard F. Urban Economic Problems. New York: Harper & Row Publishers, 1975.

MLA aipamena

Muth,Richard F. Urban Economic Problems. Harper & Row Publishers, 1975.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.