Sudharshan, D. (1995). Marketing strategy: Relationships, offerings, timing and resource allocation. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Sudharshan, D. Marketing Strategy: Relationships, Offerings, Timing and Resource Allocation. Englewood Cliffs, N. J: Prentice-Hall, 1995.
Lua MLA (9ú heag.)Sudharshan, D. Marketing Strategy: Relationships, Offerings, Timing and Resource Allocation. Prentice-Hall, 1995.
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