Não informado. Dissertation abstracts international. University Microfilms International.
Chicagoスタイル(17版)引用形式Não informado. Dissertation Abstracts International. Ann Arbor, Mich: University Microfilms International.
MLA(8版)引用形式Não informado. Dissertation Abstracts International. University Microfilms International.
警告: この引用は必ずしも正確ではありません.