Negoro, S., & Harahap, B. (1981). Kalkulus suatu pengantar. Balai Aksara.
Chicago Style (17th ed.) CitationNegoro, St, and B. Harahap. Kalkulus Suatu Pengantar. Balai Aksara, 1981.
MLA (8th ed.) CitationNegoro, St, and B. Harahap. Kalkulus Suatu Pengantar. Balai Aksara, 1981.
Warning: These citations may not always be 100% accurate.