Gonzalez, A. B., & Villacorta, W. V. (2001). The language provision of the 1987 Constitution of the Republic of the Philippines. Linguistic Society of the Philippines.
Chicago-viite (17. p.)Gonzalez, Andrew Benjamin, ja Wilfrido V. Villacorta. The Language Provision of the 1987 Constitution of the Republic of the Philippines. Manila: Linguistic Society of the Philippines, 2001.
MLA-viite (9. p.)Gonzalez, Andrew Benjamin, ja Wilfrido V. Villacorta. The Language Provision of the 1987 Constitution of the Republic of the Philippines. Linguistic Society of the Philippines, 2001.
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