APA Style

Sinurat, E, R, M. (2015). Implementasi direct marketing Bengawan Solo Coffee periode 2013 . Tangerang: Universitas Multimedia Nusantara.

MLA Style

Sinurat, Eirene, Ribka, M.. "Implementasi direct marketing Bengawan Solo Coffee periode 2013". Tangerang: Universitas Multimedia Nusantara, 2015. Manuscript.