Hassan, W. A. (2000). Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria (1. Aufl.). Cuvillier.
Chicago-Zitierstil (17. Ausg.)Hassan, Waheed Akinola. Biological Productivity of Sheep and Goats Under Agro-silvo-pastoral Systems in the Zamfara Reserve in North-western Nigeria. 1. Aufl. Göttingen: Cuvillier, 2000.
MLA-Zitierstil (9. Ausg.)Hassan, Waheed Akinola. Biological Productivity of Sheep and Goats Under Agro-silvo-pastoral Systems in the Zamfara Reserve in North-western Nigeria. 1. Aufl. Cuvillier, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.