APA (7e ed.) Bronvermelding

Gray, D. E. (2017). Doing research in the business world. Sage.

Chicago (17e ed.) Bronvermelding

Gray, David E. Doing Research in the Business World. Los Angeles: Sage, 2017.

MLA (9e ed.) Bronvermelding

Gray, David E. Doing Research in the Business World. Sage, 2017.