Gaya APA

O’Hara, S, B, B. (2011). Critical Thiking, Reading, and Writin . Boston, MA: Bedford/St. Martin’s (Macmillan Learning).

Gaya MLA

O’Hara, Sylvan, Barnet;Hugo, Bedau;John. "Critical Thiking, Reading, and Writin". Boston, MA: Bedford/St. Martin’s (Macmillan Learning), 2011. BK.