APA引文

Oconnell, C. (2010). EFU - English For Intermediate Levels - Lesson 06: At the circus.

Trích dẫn kiểu Chicago

Oconnell, Christopher. EFU - English For Intermediate Levels - Lesson 06: At the Circus. 2010.

MLA引文

Oconnell, Christopher. EFU - English For Intermediate Levels - Lesson 06: At the Circus. 2010.

警告：这些引文格式不一定是100％准确.