Cita APA (7th ed.)
Dempski, K. (2003). Focus on curves and surfaces. Premier ; Pearson Education] [distributor].
Cita Chicago (17th ed.)
Dempski, Kelly. Focus on Curves and Surfaces. Cincinatti, Ohio : [London: Premier ; Pearson Education] [distributor], 2003.
Cita MLA (9th ed.)
Dempski, Kelly. Focus on Curves and Surfaces. Premier ; Pearson Education] [distributor], 2003.
Atenció: Aquestes cites poden no estar 100% correctes.