APA (7th ed.) Citation

Siagian, P. (1987). Penelitian Operasional. Universitas Indonesia UI.

Chicago Style (17th ed.) Citation

Siagian, P. Penelitian Operasional. Universitas Indonesia UI, 1987.

MLA (8th ed.) Citation

Siagian, P. Penelitian Operasional. Universitas Indonesia UI, 1987.

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