United States Department of Agriculture. (2002). Animal welfare act animal welfare regulations: Animal welfare act as of May 13, 2002 as found in the United States code. U. S. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)United States Department of Agriculture. Animal Welfare Act Animal Welfare Regulations: Animal Welfare Act as of May 13, 2002 as Found in the United States Code. U. S. A: U. S. Government Printing Office, 2002.
MLA-Zitierstil (9. Ausg.)United States Department of Agriculture. Animal Welfare Act Animal Welfare Regulations: Animal Welfare Act as of May 13, 2002 as Found in the United States Code. U. S. Government Printing Office, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.