APA (7th ed.) Citation

P, S. (1987). Penelitian Operational: Teori dan praktek / Siagian. Universitas Indonesia.

Chicago Style (17th ed.) Citation

P, Siagian. Penelitian Operational: Teori Dan Praktek / Siagian. Universitas Indonesia, 1987.

MLA (8th ed.) Citation

P, Siagian. Penelitian Operational: Teori Dan Praktek / Siagian. Universitas Indonesia, 1987.

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