Cita APA (7th ed.)

Alferez, M. S. (2007). MSA national career aptitude exam preparation (Year 2007 ed.). MSA Academic Advancement Institute.

Cita Chicago (17th ed.)

Alferez, Merle S. MSA National Career Aptitude Exam Preparation. Year 2007 ed. Quezon City: MSA Academic Advancement Institute, 2007.

Cita MLA (9th ed.)

Alferez, Merle S. MSA National Career Aptitude Exam Preparation. Year 2007 ed. MSA Academic Advancement Institute, 2007.