Reyes, F. D., & Juan, T. D. (1927). Government coal purchases under specifications. Bureau of Printing.
Chicagoスタイル(17版)引用形式Reyes, F. D., , T. Dar Juan. Government Coal Purchases Under Specifications. Manila: Bureau of Printing, 1927.
MLA(9版)引用形式Reyes, F. D., , T. Dar Juan. Government Coal Purchases Under Specifications. Bureau of Printing, 1927.
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