APA aipamena

Levine, J. P. (1990). Doing business in Chicago. Homewood: Dow Jones-Irwin.

Chicago Style aipamena

Levine, Jeffrey P. Doing Business in Chicago. Homewood: Dow Jones-Irwin, 1990.

MLA aipamena

Levine, Jeffrey P. Doing Business in Chicago. Homewood: Dow Jones-Irwin, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.