APA aipamena

Hilker, W. R., & Gee Erin Preston. (1985). The MBA toolkit. Chilton.

Chicago Style aipamena

Hilker, Walter R., and Gee Erin Preston. The MBA Toolkit. Pennsylrania: Chilton, 1985.

MLA aipamena

Hilker, Walter R., and Gee Erin Preston. The MBA Toolkit. Chilton, 1985.