APA (7th ed.) Citation

Muhammad, R., Siregar, M. N., & Marpaung, F. (2010). Kalkulus Diferensial. Ghalia Indonesia.

Chicago Style (17th ed.) Citation

Muhammad, Razali, Mahmud N. Siregar, and Faridawaty Marpaung. Kalkulus Diferensial. Ghalia Indonesia, 2010.

MLA (8th ed.) Citation

Muhammad, Razali, et al. Kalkulus Diferensial. Ghalia Indonesia, 2010.