Lua APA (7ú heag.)

Willson, J. D. (1989). Budgeting and profit planning manual (2nd ed.). Warren, Gorham & Lamont, Inc..

Lua i Stíl Chicago (17ú heag.)

Willson, James D. Budgeting and Profit Planning Manual. 2nd ed. Boston: Warren, Gorham & Lamont, Inc., 1989.

Lua MLA (9ú heag.)

Willson, James D. Budgeting and Profit Planning Manual. 2nd ed. Warren, Gorham & Lamont, Inc., 1989.

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