Lua APA (7ú heag.)

Armstrong, G., & Kotler, P. (2009). Marketing: An introduction (9th ed.). Pearson/Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

Armstrong, Gary, agus Philip Kotler. Marketing: An Introduction. 9th ed. Upper Saddle River, NJ: Pearson/Prentice Hall, 2009.

Lua MLA (8ú heag.)

Armstrong, Gary, agus Philip Kotler. Marketing: An Introduction. 9th ed. Pearson/Prentice Hall, 2009.

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