APA (7th ed.) Citation

Yunus, F., & Yusuf, A. (1989). Penyakit Paru Obstruktif Menahun. FKUI.

Chicago Style (17th ed.) Citation

Yunus, Faisal, and Anwar Yusuf. Penyakit Paru Obstruktif Menahun. FKUI, 1989.

MLA (9th ed.) Citation

Yunus, Faisal, and Anwar Yusuf. Penyakit Paru Obstruktif Menahun. FKUI, 1989.

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