APA-viite (7. p.)

Erickson, G. M. (1991). Dynamic models of advertising competition: Open - and closed - loop extensions. Kluwer.

Chicago-viite (17. p.)

Erickson, Gary M. Dynamic Models of Advertising Competition: Open - and Closed - Loop Extensions. Boston: Kluwer, 1991.

MLA-viite (9. p.)

Erickson, Gary M. Dynamic Models of Advertising Competition: Open - and Closed - Loop Extensions. Kluwer, 1991.