Não informado. (2017). Bulletin of the Charles H. Tweed International Foundation. Charles H. Tweed International Foundation for Orthodontic Research.
Chicago-Zitierstil (17. Ausg.)Não informado. Bulletin of the Charles H. Tweed International Foundation. Tucson, Ariz: Charles H. Tweed International Foundation for Orthodontic Research, 2017.
MLA-Zitierstil (8. Ausg.)Não informado. Bulletin of the Charles H. Tweed International Foundation. Charles H. Tweed International Foundation for Orthodontic Research, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.