Cita APA (7th ed.)
Stretton, H. (1999). Economics: A new introduction. Pluto Press.
Cita Chicago (17th ed.)
Stretton, Hugh. Economics: A New Introduction. [London ; Sterling, Va.: Pluto Press, 1999.
Cita MLA (9th ed.)
Stretton, Hugh. Economics: A New Introduction. Pluto Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.