Truett, L. J. (1982). Economics. West.
Cita Chicago (17th ed.)Truett, Lila J. Economics. St. Paul Minn: West, 1982.
Cita MLA (9th ed.)Truett, Lila J. Economics. West, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)