Gaya APA

Letari, M, N. (2020). Effectiveness of cost control in increasing profit operations (Vol12,(1)April 2020). Jakarta: Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM).

Gaya MLA

Letari, Marlina, Nur. "Effectiveness of cost control in increasing profit operations". Vol12,(1)April 2020 Jakarta: Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM), 2020. Text.