Cita APA (7th ed.)
(1990). Co-operation in the African region on technologies and standards for local building materials. United Nations Centre for Human settlements (Habitat).
Cita Chicago (17th ed.)
Co-operation in the African Region on Technologies and Standards for Local Building Materials. Nairobi: United Nations Centre for Human settlements (Habitat), 1990.
Cita MLA (9th ed.)
Co-operation in the African Region on Technologies and Standards for Local Building Materials. United Nations Centre for Human settlements (Habitat), 1990.
Atenció: Aquestes cites poden no estar 100% correctes.