Simbulan, R. G. (2018). The historic senate vote of 16 September 1991: Looking back and looking forward twenty-five years after. Philippine Studies: Historical and Ethnographic Viewpoints.
Chicagoスタイル(17版)引用形式Simbulan, Roland G. "The Historic Senate Vote of 16 September 1991: Looking Back and Looking Forward Twenty-five Years After." Philippine Studies: Historical and Ethnographic Viewpoints 2018.
MLA(9版)引用形式Simbulan, Roland G. "The Historic Senate Vote of 16 September 1991: Looking Back and Looking Forward Twenty-five Years After." Philippine Studies: Historical and Ethnographic Viewpoints, 2018.
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