Cita APA (7th ed.)
Powell, R. (1989). Ken Yeang: Rethinking the Environmental Filter.
Cita Chicago (17th ed.)
Powell, Robert. Ken Yeang: Rethinking the Environmental Filter. 1989.
Cita MLA (9th ed.)
Powell, Robert. Ken Yeang: Rethinking the Environmental Filter. 1989.
Atenció: Aquestes cites poden no estar 100% correctes.