APA (7th ed.) Citation

SIAGIAN, P. (1987). Penelitian operational: Teori dan praktek.

Chicago Style (17th ed.) Citation

SIAGIAN, P. Penelitian Operational: Teori Dan Praktek. 1987.

MLA (8th ed.) Citation

SIAGIAN, P. Penelitian Operational: Teori Dan Praktek. 1987.

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