Philippine Islands . Bureau of Labor. (1926). Manual of the Bureau of labor. Bureau of Printing.
Chicagoスタイル(17版)引用形式Philippine Islands . Bureau of Labor. Manual of the Bureau of Labor. Manila: Bureau of Printing, 1926.
MLA(9版)引用形式Philippine Islands . Bureau of Labor. Manual of the Bureau of Labor. Bureau of Printing, 1926.
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