APA (7th ed.) Citation

Yusuf, A., & Irawan. (2014). Filsafat sosial. Universitas Terbuka.

Chicago Style (17th ed.) Citation

Yusuf, Akhyar, and Irawan. Filsafat Sosial. Universitas Terbuka, 2014.

MLA (8th ed.) Citation

Yusuf, Akhyar, and Irawan. Filsafat Sosial. Universitas Terbuka, 2014.

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