APA (7th ed.) Citation

Siagian, P. (1986). PENELITIAN OPERATIONAL TEORI DAN PRAKTIK. UI-Press.

Chicago Style (17th ed.) Citation

Siagian, P. PENELITIAN OPERATIONAL TEORI DAN PRAKTIK. UI-Press, 1986.

MLA (8th ed.) Citation

Siagian, P. PENELITIAN OPERATIONAL TEORI DAN PRAKTIK. UI-Press, 1986.

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