APA-Zitierstil (7. Ausg.)

Macaraeg, B. B. (1970). How you can write better business letters in the modern way: Self-teaching and easy to understand (5th ed.). s.n.

Chicago-Zitierstil (17. Ausg.)

Macaraeg, Bienvenido B. How You Can Write Better Business Letters in the Modern Way: Self-teaching and Easy to Understand. 5th ed. [Kabasalan, Zamboanga del Sur: s.n, 1970.

MLA-Zitierstil (9. Ausg.)

Macaraeg, Bienvenido B. How You Can Write Better Business Letters in the Modern Way: Self-teaching and Easy to Understand. 5th ed. s.n, 1970.