Gaya APA

Keedy,M.L, ., L, B. (). Algebra and Trigonometry : A Functions Approach (3rd.ed). Massachusetts: Addison Wesley.

Gaya MLA

Keedy,M.L, ., L, Bittinger,Marvin. "Algebra and Trigonometry : A Functions Approach". 3rd.ed Massachusetts: Addison Wesley, . Text.