APA Citation

Huỳnh Thị Hồng Hạnh. (2012). An Investigation into Modals English Business Letter.

Chicago Style Citation

Huỳnh Thị Hồng Hạnh. An Investigation Into Modals English Business Letter. 2012.

MLA Citation

Huỳnh Thị Hồng Hạnh. An Investigation Into Modals English Business Letter. 2012.

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