Gaya APA

Sjah, D, A, E. (1986). Practical Guide To Business Correspondence: Pedoman Praktis Korespondensi Enggeris (Cet. 3. --). Jakarta: ESBE.

Gaya MLA

Sjah, Djalinus;, Azimar, Enong. "Practical Guide To Business Correspondence: Pedoman Praktis Korespondensi Enggeris". Cet. 3. -- Jakarta: ESBE, 1986. Text / Book.