Citazione Stile APA (7a Edizione)

(1990). Co-operation in the African region on technologies and standards for local building materials. United Nations Centre for Human settlements (Habitat).

Citazione stile Chigago Style (17a edizione)

Co-operation in the African Region on Technologies and Standards for Local Building Materials. Nairobi: United Nations Centre for Human settlements (Habitat), 1990.

Citatione MLA (9a ed.)

Co-operation in the African Region on Technologies and Standards for Local Building Materials. United Nations Centre for Human settlements (Habitat), 1990.