Gaya APA

McCUNE, S. (2013). 500 QUESTIONS PRECALCULUS : ACE YOUR COLLEGE EXAMS . USA: Mc Graw Hill.

Gaya MLA

McCUNE, SANDRA. "500 QUESTIONS PRECALCULUS : ACE YOUR COLLEGE EXAMS". USA: Mc Graw Hill, 2013. Buku Inti.