APA (7th ed.) Zitazioa

Keeble, L. Town planning made plain. Astros Printing Ltd.

Chicago Style (17th ed.) Zitazioa

Keeble, L. Town Planning Made Plain. Hong Kong: Astros Printing Ltd.

MLA (9th ed.) Zitazioa

Keeble, L. Town Planning Made Plain. Astros Printing Ltd.