APA (7th ed.) Citation

Lehrer, S., Surya A., D., & Japaries, W. (1991). Memahami bunyi paru. Binarupa Aksara.

Chicago Style (17th ed.) Citation

Lehrer, Steven, Djaja Surya A., and Willie Japaries. Memahami Bunyi Paru. Binarupa Aksara, 1991.

MLA (8th ed.) Citation

Lehrer, Steven, et al. Memahami Bunyi Paru. Binarupa Aksara, 1991.