Não informado. (1967). Iowa dental bulletin. University of Iowa, College of Dentistry.
Chicagoスタイル(17版)引用形式Não informado. Iowa Dental Bulletin. Iowa City, Iowa: University of Iowa, College of Dentistry, 1967.
MLA(8版)引用形式Não informado. Iowa Dental Bulletin. University of Iowa, College of Dentistry, 1967.
警告: この引用は必ずしも正確ではありません.