Gaya APA

O'Callaghan, E, H, B, H, R. (2012). The Official SAT : 10 Official Practise Test Online Answer Explanations Math Concepts Video SAT Test Timer . New York: College Board.

Gaya MLA

O'Callaghan, Ed, Hardin,, Beth, Hart,, Robin. "The Official SAT : 10 Official Practise Test Online Answer Explanations Math Concepts Video SAT Test Timer". New York: College Board, 2012. Text.