(1999). Personalized system of instruction (PSI)for college algebra. Learning Resource Center.
Chicago Style (17th ed.) CitationPersonalized System of Instruction (PSI)for College Algebra. Quezon City: Learning Resource Center, 1999.
MLA (9th ed.) CitationPersonalized System of Instruction (PSI)for College Algebra. Learning Resource Center, 1999.
Warning: These citations may not always be 100% accurate.