APA Style

Putri, E, A. (2009). Analysis of influence value added tax to cost of goods sold (case study at PT Sumber Sehat Semarang) . Semarang: Politeknik Negeri Semarang.

MLA Style

Putri, Ermayani, Ashadi. "Analysis of influence value added tax to cost of goods sold (case study at PT Sumber Sehat Semarang)". Semarang: Politeknik Negeri Semarang, 2009. TA DIGITAL.