Gaya APA

E., H., Ireland, M, A, R, D. (2008). Competing for advantage (Ed.Second). Autralia: Thomson South-Western.

Gaya MLA

E., Hoskisson,Robert., Ireland, Michael, A.Hitt,, R., Duane. "Competing for advantage". Ed.Second Autralia: Thomson South-Western, 2008. Textbook.