Gaya APA

Efficiency of working capital on company profitability in generating ROA ( case studies in CV Tools . (2012). Surabaya: PPPM STIE Perbanas.

Gaya MLA

Efficiency of working capital on company profitability in generating ROA ( case studies in CV Tools . . Surabaya: PPPM STIE Perbanas, 2012. Artikel.