Cita APA (7th ed.)

SHARP, A. M. (1982). Economics of social issues. Irwin.

Cita Chicago (17th ed.)

SHARP, Ansel M. Economics of Social Issues. Illinois: Irwin, 1982.

Cita MLA (9th ed.)

SHARP, Ansel M. Economics of Social Issues. Irwin, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.