Stern, G. J. (1997). Marketing workbook for nonprofit organizations. Sain Paul (EEUU): Amherst H. Wilder Foundation.
Citación estilo ChicagoStern, Gary J. Marketing Workbook for Nonprofit Organizations. Sain Paul (EEUU): Amherst H. Wilder Foundation, 1997.
Cita MLAStern, Gary J. Marketing Workbook for Nonprofit Organizations. Sain Paul (EEUU): Amherst H. Wilder Foundation, 1997.
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