Belloc, H. (1924). Economics for Helen ([1st ed., 1st issue.].). J.W. Arrowsmith.
Chicagoスタイル(17版)引用形式Belloc, Hilaire. Economics for Helen. [1st ed., 1st issue.]. London: J.W. Arrowsmith, 1924.
MLA(8版)引用形式Belloc, Hilaire. Economics for Helen. [1st ed., 1st issue.]. J.W. Arrowsmith, 1924.
警告: この引用は必ずしも正確ではありません.