Cita APA (7th ed.)

Powell, R. (2009). Singapore houses. Tuttle Pub.

Cita Chicago (17th ed.)

Powell, Robert. Singapore Houses. North Clarendon, Vt: Tuttle Pub, 2009.

Cita MLA (9th ed.)

Powell, Robert. Singapore Houses. Tuttle Pub, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.