Cotter, R. V. (1991). The business policy game: Player's manual (3rd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Cotter, Richard V. The Business Policy Game: Player's Manual. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1991.
Lua MLA (9ú heag.)Cotter, Richard V. The Business Policy Game: Player's Manual. 3rd ed. Prentice Hall, 1991.
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