Gaya APA

LOUGHEED, L. (2006). Longman:preparation series for the new toeic test introductory course (4 th.Ed). London: Pearson Longman.

Gaya MLA

LOUGHEED, Lin. "Longman:preparation series for the new toeic test introductory course". 4 th.Ed London: Pearson Longman, 2006. Text.