APA aipamena

217231 Ashworth, G. (1973). Encyclopedia of planning. London : Barrie and Jenkins.

Chicago Style aipamena

217231 Ashworth, Graham. Encyclopedia of Planning. London : Barrie and Jenkins, 1973.

MLA aipamena

217231 Ashworth, Graham. Encyclopedia of Planning. London : Barrie and Jenkins, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.