Gaya APA

DuBrin, A, J. (2007). Leadership; Research Findings, Practise, and Skills (5). USA: Houghton Mifflin Company.

Gaya MLA

DuBrin, Andrew, J.. "Leadership; Research Findings, Practise, and Skills". 5 USA: Houghton Mifflin Company, 2007. Textbook.