Stoop, W. A. (1987). Issues in implementing research with a farming systems perspective in NARS. Internat. Service for National Agricultural Research.
Chicago-Zitierstil (17. Ausg.)Stoop, W. A. Issues in Implementing Research with a Farming Systems Perspective in NARS. The Hague: Internat. Service for National Agricultural Research, 1987.
MLA-Zitierstil (9. Ausg.)Stoop, W. A. Issues in Implementing Research with a Farming Systems Perspective in NARS. Internat. Service for National Agricultural Research, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.