Lua APA (7ú heag.)

Lapin, L. L. (1981). Quantitative methods for business decisions (2nd ed.). Harcourt Brace.

Lua i Stíl Chicago (17ú heag.)

Lapin, Lawrence L. Quantitative Methods for Business Decisions. 2nd ed. New York: Harcourt Brace, 1981.

Lua MLA (9ú heag.)

Lapin, Lawrence L. Quantitative Methods for Business Decisions. 2nd ed. Harcourt Brace, 1981.

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