Gaya APA

Loeb, E, M., Heine-Geldern, R. (1935). Sumatra: Its History and People (Cet. 1.--). Jakarta: Oxford University Press.

Gaya MLA

Loeb, Edwin, M.., Heine-Geldern, Robert. "Sumatra: Its History and People". Cet. 1.-- Jakarta: Oxford University Press, 1935. Text.