Farkas, P. S., Knapp, A. B., & Andrianto, P. (1990). Gastroenterologi. Widya Medika.
Chicago Style (17th ed.) CitationFarkas, Paul S., Albert B. Knapp, and Petrus Andrianto. Gastroenterologi. Widya Medika, 1990.
MLA引文Farkas, Paul S., et al. Gastroenterologi. Widya Medika, 1990.
警告:這些引文格式不一定是100%准確.