Lua APA (7ú heag.)

Kotler, P., & Armstrong, G. (2008). Principles of marketing (12th internationl ed.). Pearson Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

Kotler, Philip, agus Gary Armstrong. Principles of Marketing. 12th internationl ed. New Jersey: Pearson Prentice Hall, 2008.

Lua MLA (9ú heag.)

Kotler, Philip, agus Gary Armstrong. Principles of Marketing. 12th internationl ed. Pearson Prentice Hall, 2008.

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