Não informado. (1911). Oral Health. Southam Information and Technology Group.
Chicagoスタイル(17版)引用形式Não informado. Oral Health. Don Mills, Canada: Southam Information and Technology Group, 1911.
MLA(8版)引用形式Não informado. Oral Health. Southam Information and Technology Group, 1911.
警告: この引用は必ずしも正確ではありません.