Destura, P. D. (1977). The 10-month school calendar in the vocational agricultural schools as perceived by schools administrators and teachers [microform]. Photoduplication Service. University of the Philippines Library.
Chicagoスタイル(17版)引用形式Destura, Pedro Derpo. The 10-month School Calendar in the Vocational Agricultural Schools as Perceived by Schools Administrators and Teachers [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA(9版)引用形式Destura, Pedro Derpo. The 10-month School Calendar in the Vocational Agricultural Schools as Perceived by Schools Administrators and Teachers [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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