APA (7th ed.) Citation

HARAHAP, E. (1962). Ilmu hitung dagang - A. Effendi Harahap. Effendi Harahap Publishing Cory.

Chicago Style (17th ed.) Citation

HARAHAP, Effendi. Ilmu Hitung Dagang - A. Effendi Harahap. Effendi Harahap Publishing Cory, 1962.

MLA (8th ed.) Citation

HARAHAP, Effendi. Ilmu Hitung Dagang - A. Effendi Harahap. Effendi Harahap Publishing Cory, 1962.

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