APA (7th ed.) Citation

Negoro, S., & Harahap, B. (1982). Penyelesaian soal-soal matematika SMP. Yudhistira.

Chicago Style (17th ed.) Citation

Negoro, ST, and B. Harahap. Penyelesaian Soal-soal Matematika SMP. Yudhistira, 1982.

MLA (8th ed.) Citation

Negoro, ST, and B. Harahap. Penyelesaian Soal-soal Matematika SMP. Yudhistira, 1982.

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