APA aipamena

Frailey, L. E., & Schnell, E. L. Practical business writing. Prentice-Hall.

Chicago Style aipamena

Frailey, L E., and Edith L. Schnell. Practical Business Writing. Englewood Cliffs, NJ: Prentice-Hall.

MLA aipamena

Frailey, L E., and Edith L. Schnell. Practical Business Writing. Prentice-Hall.