APA引文

Pfeffer, S. B., & Bauer, E. (2010). This world we live in (Unabridged.). Listening Library.

Chicago Style (17th ed.) Citation

Pfeffer, Susan Beth, and Emily Bauer. This World We Live in. Unabridged. New York: Listening Library, 2010.

MLA引文

Pfeffer, Susan Beth, and Emily Bauer. This World We Live in. Unabridged. Listening Library, 2010.

警告：這些引文格式不一定是100％准確.