Österman, S. (2003). Extended calving interval and increased milking frequency in dairy cows. Swedish Univ. of Agricultural Sciences.
Chicago-Zitierstil (17. Ausg.)Österman, Sara. Extended Calving Interval and Increased Milking Frequency in Dairy Cows. Uppsala: Swedish Univ. of Agricultural Sciences, 2003.
MLA-Zitierstil (9. Ausg.)Österman, Sara. Extended Calving Interval and Increased Milking Frequency in Dairy Cows. Swedish Univ. of Agricultural Sciences, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.