APA引文

Griffiths, A., & Wall, S. (1997). Applied economics: An introductory course (7th ed.). Longman.

Chicago Style (17th ed.) Citation

Griffiths, Alan, and Stuart Wall. Applied Economics: An Introductory Course. 7th ed. London: Longman, 1997.

MLA引文

Griffiths, Alan, and Stuart Wall. Applied Economics: An Introductory Course. 7th ed. Longman, 1997.