Gaya APA

Schmitt, D., Schmitt, N. (2011). Focus on Vocabulary 2 : mastering the academic word list . New York: Pearson Longman.

Gaya MLA

Schmitt, Diane., Schmitt, Norbert. "Focus on Vocabulary 2 : mastering the academic word list". New York: Pearson Longman, 2011. Text.