APA Citation

 Lougheed, D. (2008).  600 essential words for the toeic test: Test for English for international Communication.  Trẻ.

Chicago Style Citation

 Lougheed, Dr.Lin.  600 Essential Words for the Toeic Test: Test for English for International Communication.  Trẻ, 2008.

MLA Citation

 Lougheed, Dr.Lin.  600 Essential Words for the Toeic Test: Test for English for International Communication.  Trẻ, 2008.

Warning: These citations may not always be 100% accurate.