Gaya APA

Barrett, D, J., Biernat, J, E. (2008). Leadership Communication (2 -). New York: Mc Graw Hill/Irwin.

Gaya MLA

Barrett, Deborah, J.., Biernat, John, E.. "Leadership Communication". 2 - New York: Mc Graw Hill/Irwin, 2008. Text.