Ehret, W. (1997). Reorientation of extension: A case study of participatory action research with a non-government organization in Northern Nigeria. Margraf.
Chicago-Zitierstil (17. Ausg.)Ehret, Wilhelm. Reorientation of Extension: A Case Study of Participatory Action Research with a Non-government Organization in Northern Nigeria. Weikersheim: Margraf, 1997.
MLA-Zitierstil (9. Ausg.)Ehret, Wilhelm. Reorientation of Extension: A Case Study of Participatory Action Research with a Non-government Organization in Northern Nigeria. Margraf, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.