Gaya APA

Covello, J, A., Hazelgren, B, J. (2006). The Compelete Book of Business Plans Includes 11 Actual Plans (ed. 2 cet. 2). USA: Sourcebooks.

Gaya MLA

Covello, Joseph, A.., Hazelgren, Brian, J.. "The Compelete Book of Business Plans Includes 11 Actual Plans". ed. 2 cet. 2 USA: Sourcebooks, 2006. Text.