Cites del registre

Cita APA (7th ed.)
Gregory, P. R. (1990). Essentials of economics (2nd ed.). Scott, Foresman.
Cita Chicago (17th ed.)
Gregory, Paul R. Essentials of Economics. 2nd ed. Glenview, Ill.: Scott, Foresman, 1990.
Cita MLA (9th ed.)
Gregory, Paul R. Essentials of Economics. 2nd ed. Scott, Foresman, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.