Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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