APA (7th ed.) Citation

Siagian, P. Penelitian operasional Teori dan praktek. UI-Press.

Chicago Style (17th ed.) Citation

Siagian, P. Penelitian Operasional Teori Dan Praktek. UI-Press.

MLA (8th ed.) Citation

Siagian, P. Penelitian Operasional Teori Dan Praktek. UI-Press.

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