Gaya APA

all, R, J, L, A. (2014). Negotiation (Cet.1 ed. 9). New York: Mc Graw Hill Education.

Gaya MLA

all, Roy, J., Lewicki,, At. "Negotiation". Cet.1 ed. 9 New York: Mc Graw Hill Education, 2014. Text.