APA aipamena

CLEEF, E. V. (1970). Cities In Action. Pergamon Press.

Chicago Style aipamena

CLEEF, Eugene Van. Cities In Action. Pergamon Press, 1970.

MLA aipamena

CLEEF, Eugene Van. Cities In Action. Pergamon Press, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.