APA-viite (7. p.)

Italy, Del Duca, L. F., & Del Duca, P. L. (1983). Commercial, business, and trade laws: Italy. Oceana Publications.

Chicago-viite (17. p.)

Italy, Louis F. Del Duca, ja Patrick L. Del Duca. Commercial, Business, and Trade Laws: Italy. Dobbs Ferry, N.Y: Oceana Publications, 1983.

MLA-viite (9. p.)

Italy, et al. Commercial, Business, and Trade Laws: Italy. Oceana Publications, 1983.