Não informado. Packaging Technology and Management. Institute of Packaging.
Chicago-Zitierstil (17. Ausg.)Não informado. Packaging Technology and Management. London: Institute of Packaging.
MLA-Zitierstil (8. Ausg.)Não informado. Packaging Technology and Management. Institute of Packaging.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.