APA (7th ed.) Citation

Oey, T. G., & Davidsen, K. (2012). Easy Indonesian: Learn to speak Indonesian quickly! Tuttle Publishing.

Chicago Style (17th ed.) Citation

Oey, Thomas G., and Katherine Davidsen. Easy Indonesian: Learn to Speak Indonesian Quickly! Tokyo, Japan: Tuttle Publishing, 2012.

MLA (9th ed.) Citation

Oey, Thomas G., and Katherine Davidsen. Easy Indonesian: Learn to Speak Indonesian Quickly! Tuttle Publishing, 2012.

Warning: These citations may not always be 100% accurate.