Não informado. IATUL reprints. International Association of Technological University Libraries.
Chicago-Zitierstil (17. Ausg.)Não informado. IATUL Reprints. Loughborough, Inglaterra: International Association of Technological University Libraries.
MLA-Zitierstil (8. Ausg.)Não informado. IATUL Reprints. International Association of Technological University Libraries.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.