Gaya APA

LOCKER, K, O., KIENZLER, D, S. (2010). Business and administrative communication (9th ed.). New York: McGraw-Hill.

Gaya MLA

LOCKER, Kitty, O.., KIENZLER, Donna, S.. "Business and administrative communication". 9th ed. New York: McGraw-Hill, 2010. Buku.