Gaya APA
500 Questions Precalculus. (2013).
NewYork:
McGraw-Hill.
Gaya Chicago
500 Questions Precalculus.
.
NewYork:
McGraw-Hill,
2013.
Buku UN.
Gaya MLA
500 Questions Precalculus.
.
NewYork:
McGraw-Hill,
2013.
Buku UN.
Gaya Turabian
500 Questions Precalculus.
NewYork:
McGraw-Hill,
2013.
Buku UN.