APA Citation

Đặng Thị Hồng Hiệp, & Trần Quang Hải. (2015). An investigation into prepositions in textbooks of english 10, 11, 12 at high schools in viet nam.

Chicago Style Citation

Đặng Thị Hồng Hiệp, and Trần Quang Hải. An Investigation Into Prepositions in Textbooks of English 10, 11, 12 At High Schools in Viet Nam. 2015.

MLA Citation

Đặng Thị Hồng Hiệp, and Trần Quang Hải. An Investigation Into Prepositions in Textbooks of English 10, 11, 12 At High Schools in Viet Nam. 2015.

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