Cita APA (7th ed.)

(1977). Guide to Singapore. APA Production and Times Pub. Berhad.

Cita Chicago (17th ed.)

Guide to Singapore. Singapore: APA Production and Times Pub. Berhad, 1977.

Cita MLA (9th ed.)

Guide to Singapore. APA Production and Times Pub. Berhad, 1977.