APA استشهاد

Locker, K. O. (1997). Business and administrative communication (4th ed.). Irwin McGraw Hill.

استشهاد بنمط شيكاغو

Locker, Kitty O. Business and Administrative Communication. 4th ed. Boston: Irwin McGraw Hill, 1997.

MLA استشهاد

Locker, Kitty O. Business and Administrative Communication. 4th ed. Irwin McGraw Hill, 1997.