APA (7th ed.) Citation

Chang, S. J. (2009). Sony VS Samsung. Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Chang, Sea Jun. Sony VS Samsung. Gramedia Pustaka Utama, 2009.

MLA (8th ed.) Citation

Chang, Sea Jun. Sony VS Samsung. Gramedia Pustaka Utama, 2009.

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