Lua APA (7ú heag.)

(1995). Marketing Strategy: Relationships, Offerings, Timing & Resource Allocation / D. Sudharshan. Prentice _ Hall.

Lua i Stíl Chicago (17ú heag.)

Marketing Strategy: Relationships, Offerings, Timing & Resource Allocation / D. Sudharshan. Prentice _ Hall, 1995.

Lua MLA (8ú heag.)

Marketing Strategy: Relationships, Offerings, Timing & Resource Allocation / D. Sudharshan. Prentice _ Hall, 1995.

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