APA (7th ed.) Citation

Harahap, B., & Negoro, S. (1979). Penuntun matematika SMP: Berdasarkan kurikulum 1975. Yudhistira.

Chicago Style (17th ed.) Citation

Harahap, B., and ST Negoro. Penuntun Matematika SMP: Berdasarkan Kurikulum 1975. Yudhistira, 1979.

MLA (8th ed.) Citation

Harahap, B., and ST Negoro. Penuntun Matematika SMP: Berdasarkan Kurikulum 1975. Yudhistira, 1979.

Warning: These citations may not always be 100% accurate.