Gribbin, J., Mary, Rachmat, I., & Mujiyanto, Y. (2000). Ruang dan waktu. Balai Pustaka.
Chicago Style (17th ed.) CitationGribbin, John, Mary, Is Rachmat, and Yanuar Mujiyanto. Ruang Dan Waktu. Balai Pustaka, 2000.
MLA (8th ed.) CitationGribbin, John, et al. Ruang Dan Waktu. Balai Pustaka, 2000.
Warning: These citations may not always be 100% accurate.