Lopez, C. (2018). A manual of the Philippine national language (2nd edition.). Pambansang Komisyon para sa Kultura at mgs Sining.
Chicago Style aipamenaLopez, Cecilio. A Manual of the Philippine National Language. 2nd edition. Maynila: Pambansang Komisyon para sa Kultura at mgs Sining, 2018.
MLA aipamenaLopez, Cecilio. A Manual of the Philippine National Language. 2nd edition. Pambansang Komisyon para sa Kultura at mgs Sining, 2018.
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