Gaya APA

Harahap, A, E., Swanson, C, P. (). **Hitung dagang jilid IIB . Semarang:: Semarang: EffendiHarahap Publishing; 1975.

Gaya MLA

Harahap, A., Effendi., Swanson, Carl, P.. "**Hitung dagang jilid IIB". Semarang:: Semarang: EffendiHarahap Publishing; 1975, . Text.