Gaya APA

Lougheed, L. (2012). LONGMAN PREPARATION SERIES FOR THE TOEIC TEST; With Answer Key Introductory + CD (5th). New Jersey: PEARSON.

Gaya MLA

Lougheed, Lin. "LONGMAN PREPARATION SERIES FOR THE TOEIC TEST; With Answer Key Introductory + CD". 5th New Jersey: PEARSON, 2012. Text.