Panganiban, J. V. (1972). Ninety "painless" lessons in Pilipino for beginners. Limbagang Pilipino.
Chicago Style (17th ed.) CitationPanganiban, Jose Villa. Ninety "Painless" Lessons in Pilipino for Beginners. San Juan, Rizal: Limbagang Pilipino, 1972.
MLA (9th ed.) CitationPanganiban, Jose Villa. Ninety "Painless" Lessons in Pilipino for Beginners. Limbagang Pilipino, 1972.
Warning: These citations may not always be 100% accurate.