Cita APA (7th ed.)

Griffiths, A., & Wall, S. (1999). Applied economics: An introductory course (8th ed.). Addison Wesley Longman.

Cita Chicago (17th ed.)

Griffiths, Alan, i Stuart Wall. Applied Economics: An Introductory Course. 8th ed. New York: Addison Wesley Longman, 1999.

Cita MLA (9th ed.)

Griffiths, Alan, i Stuart Wall. Applied Economics: An Introductory Course. 8th ed. Addison Wesley Longman, 1999.