Não informado. (2017). Bulletin of the Charles H. Tweed International Foundation. Charles H. Tweed International Foundation for Orthodontic Research.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of the Charles H. Tweed International Foundation. Tucson, Ariz: Charles H. Tweed International Foundation for Orthodontic Research, 2017.
Citação MLA (8ª ed.)Não informado. Bulletin of the Charles H. Tweed International Foundation. Charles H. Tweed International Foundation for Orthodontic Research, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.