APA引文

Williams, D. (2017). American Speakout intermediate WB mp3 audio CD. Pearsons educacional de México.

Chicago Style (17th ed.) Citation

Williams, Damian. American Speakout Intermediate WB Mp3 Audio CD. Pearsons educacional de México, 2017.

MLA引文

Williams, Damian. American Speakout Intermediate WB Mp3 Audio CD. Pearsons educacional de México, 2017.

警告：這些引文格式不一定是100％准確.