APA (7th ed.) Citation

<SIAGIAN, P. Penelitian operasional ; teori & praktek. LPFE-UI / UI Press.

Chicago Style (17th ed.) Citation

<SIAGIAN, P.>. Penelitian Operasional ; Teori & Praktek. LPFE-UI / UI Press.

MLA (8th ed.) Citation

<SIAGIAN, P.>. Penelitian Operasional ; Teori & Praktek. LPFE-UI / UI Press.

Warning: These citations may not always be 100% accurate.