APA استشهاد

Gill, J., & Johnson, P. (1997). Research methods for managers (2nd ed.). Paul Chapman.

استشهاد بنمط شيكاغو

Gill, John, و Phil Johnson. Research Methods for Managers. 2nd ed. New York: Paul Chapman, 1997.

MLA استشهاد

Gill, John, و Phil Johnson. Research Methods for Managers. 2nd ed. Paul Chapman, 1997.