Gaya APA
Keedy, M., Bittinger, . (1982).
Algebra and trigonometry : a functions approach (3rd.ed).
Massachusetts:
Addison-Wesley Publsihng.
Gaya MLA
Keedy, M.L.., Bittinger, .
"Algebra and trigonometry : a functions approach".
3rd.ed
Massachusetts:
Addison-Wesley Publsihng,
1982.
Text.