Não informado. (1920). International Index to Periodicals. H. W. Wilson.
Chicagoスタイル(17版)引用形式Não informado. International Index to Periodicals. New York: H. W. Wilson, 1920.
MLA(8版)引用形式Não informado. International Index to Periodicals. H. W. Wilson, 1920.
警告: この引用は必ずしも正確ではありません.