Gaya APA

Butler, L. (2010). New password 4: a reading and vocabulary text . New York: Pearson Education; 2: New York: Pearson Education; 2010.

Gaya MLA

Butler, Linda. "New password 4: a reading and vocabulary text". New York: Pearson Education; 2: New York: Pearson Education; 2010, 2010. Text.