APA aipamena

Sharp, A. M. (1988). Economics of social issues. BPI Irwin.

Chicago Style aipamena

Sharp, Ansel M. Economics of Social Issues. BPI Irwin, 1988.

MLA aipamena

Sharp, Ansel M. Economics of Social Issues. BPI Irwin, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.