Gaya APA

WARDANI, S. et al (2013). The effect of promotion cost and distribution cost on company's sales on the fast moving consumer . Surabaya: PPPM.

Gaya MLA

WARDANI, Sinta. et al. "The effect of promotion cost and distribution cost on company's sales on the fast moving consumer ". Surabaya: PPPM, 2013. Artikel.