Griffiths, A., & Wall, S. (1995). Applied economics: An introductory course (6th ed.). Longman.
Cita Chicago (17th ed.)Griffiths, Alan, i Stuart Wall. Applied Economics: An Introductory Course. 6th ed. London: Longman, 1995.
Cita MLA (9th ed.)Griffiths, Alan, i Stuart Wall. Applied Economics: An Introductory Course. 6th ed. Longman, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.