APA Style
Sarmiento, F, M. (c2017).
Pre-calculus for senior high school .
Intramuros, Manila:
Unlimited Boos Library Services & Publishing.
MLA Style
Sarmiento, Felipe, M..
"Pre-calculus for senior high school".
Intramuros, Manila:
Unlimited Boos Library Services & Publishing,
c2017.
Text.