APA-viite

Ring, L. J. (1989). Decisions in marketing: Cases and text/2e (2nd ed.). Richard D. Irwin.

Chicago-tyylinen lähdeviittaus

Ring, Lawrence J. Decisions in Marketing: Cases and Text/2e. 2nd ed. Homewood: Richard D. Irwin, 1989.

MLA-viite

Ring, Lawrence J. Decisions in Marketing: Cases and Text/2e. 2nd ed. Richard D. Irwin, 1989.