Não informado. (2020). Packung & Transport in Chemie, Kosmetik, Pharmazie. Handelsblatt GmbH.
Lua i Stíl Chicago (17ú heag.)Não informado. Packung & Transport in Chemie, Kosmetik, Pharmazie. Dusseldorf, Alemanha: Handelsblatt GmbH, 2020.
Lua MLA (8ú heag.)Não informado. Packung & Transport in Chemie, Kosmetik, Pharmazie. Handelsblatt GmbH, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.