APA (7th ed.) Citation

Landicho, E. D. C., & Alferez, M. S. (2006). MSA textbook in trigonometry (Year 2006 ed.). MSA Academic Advancement Institute.

Chicago Style (17th ed.) Citation

Landicho, Elizabeth D. C., and Merle S. Alferez. MSA Textbook in Trigonometry. Year 2006 ed. Quezon City: MSA Academic Advancement Institute, 2006.

MLA (9th ed.) Citation

Landicho, Elizabeth D. C., and Merle S. Alferez. MSA Textbook in Trigonometry. Year 2006 ed. MSA Academic Advancement Institute, 2006.