Gayer, A. D. (1951). Basic economics: A book of readings. Prentice-Hall.
Cita Chicago (17th ed.)Gayer, Arthur D. Basic Economics: A Book of Readings. New York: Prentice-Hall, 1951.
Cita MLA (9th ed.)Gayer, Arthur D. Basic Economics: A Book of Readings. Prentice-Hall, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.