APA (7th ed.) Citation

Darmawan, Y. (2013). Kopi Sumatera di Amerika. Noura Books.

Chicago Style (17th ed.) Citation

Darmawan, Yusran. Kopi Sumatera Di Amerika. Noura Books, 2013.

MLA (8th ed.) Citation

Darmawan, Yusran. Kopi Sumatera Di Amerika. Noura Books, 2013.

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