APA (7e ed.) Bronvermelding

Griffiths, A., & Wall, S. (2004). Applied economics: An introductory course (10th ed.). Pearson Educations.

Chicago (17e ed.) Bronvermelding

Griffiths, Alan, en Stuart Wall. Applied Economics: An Introductory Course. 10th ed. London ; New York: Pearson Educations, 2004.

MLA (8e ed.) Bronvermelding

Griffiths, Alan, en Stuart Wall. Applied Economics: An Introductory Course. 10th ed. Pearson Educations, 2004.