Style de citation APA

Collins. (2014). Easy learning English conversation: Book 2. Tổng hợp.

Style de citation Chicago

Collins. Easy Learning English Conversation: Book 2. Tổng hợp, 2014.

Style de citation MLA

Collins. Easy Learning English Conversation: Book 2. Tổng hợp, 2014.

Attention : ces citations peuvent ne pas être correctes à 100%.