Oltjen. (2013). Energy and protein metabolism and nutrition in sustainable animal production (1.). Wageningen Academic Publishers.
Chicago-Zitierstil (17. Ausg.)Oltjen. Energy and Protein Metabolism and Nutrition in Sustainable Animal Production. 1. Wageningen Academic Publishers, 2013.
MLA-Zitierstil (8. Ausg.)Oltjen. Energy and Protein Metabolism and Nutrition in Sustainable Animal Production. 1. Wageningen Academic Publishers, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.