APA Style

Emir, T., Wattimena, S. (2017). Kain Ulos Danau Toba . Jakarta: PT. Gramedia Pustaka Utama.

MLA Style

Emir, Trees., Wattimena, Samuel. "Kain Ulos Danau Toba". Jakarta: PT. Gramedia Pustaka Utama, 2017. Text.