Vaupel, S., & Commins, K. (1997). Guide to legal requirements for exporting organic foods and agricultural products to international markets. Internat. Organic Accreditation Service.
Chicago-Zitierstil (17. Ausg.)Vaupel, Suzanne, und Ken Commins. Guide to Legal Requirements for Exporting Organic Foods and Agricultural Products to International Markets. Jamestown, ND: Internat. Organic Accreditation Service, 1997.
MLA-Zitierstil (9. Ausg.)Vaupel, Suzanne, und Ken Commins. Guide to Legal Requirements for Exporting Organic Foods and Agricultural Products to International Markets. Internat. Organic Accreditation Service, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.