APA (7th ed.) Citation

HARAHAP, A. E. (1962). Ilmu hitung dagang. Jilid 2. Effendiharahap.

Chicago Style (17th ed.) Citation

HARAHAP, A. Effendi. Ilmu Hitung Dagang. Jilid 2. Effendiharahap, 1962.

MLA (8th ed.) Citation

HARAHAP, A. Effendi. Ilmu Hitung Dagang. Jilid 2. Effendiharahap, 1962.

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