Cita APA (7th ed.)
Dolan, E. G. (1991). Economics (6th ed.). Dryden.
Cita Chicago (17th ed.)
Dolan, Edwin G. Economics. 6th ed. Chicago: Dryden, 1991.
Cita MLA (9th ed.)
Dolan, Edwin G. Economics. 6th ed. Dryden, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.