Cita APA (7th ed.)

Chai, F. C. (2007). Early picture postcards of North Borneo and Labuan. Opus Publications.

Cita Chicago (17th ed.)

Chai, Foh Chin. Early Picture Postcards of North Borneo and Labuan. Kota Kinabalu: Opus Publications, 2007.

Cita MLA (9th ed.)

Chai, Foh Chin. Early Picture Postcards of North Borneo and Labuan. Opus Publications, 2007.