Knudsen, R. B. (1976). New models for creative giving. Association press.
Citación estilo ChicagoKnudsen, Raymond B. New Models for Creative Giving. New York: Association press, 1976.
Cita MLAKnudsen, Raymond B. New Models for Creative Giving. Association press, 1976.
Warning: These citations may not always be 100% accurate.