Παραπομπή APA

(1994). Building a better world 1989. [Washington, D.C.]: Cooperative Housing Foundation. International Program Report.

Παραπομπή Chicago Style

Building a Better World 1989. [Washington, D.C.]: Cooperative Housing Foundation. International Program Report, 1994.

Παραπομπή MLA

Building a Better World 1989. [Washington, D.C.]: Cooperative Housing Foundation. International Program Report, 1994.

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