Cita APA

Waring, B., & Jamall, M. (2007). A helping hand. Boston: Heinle.

Chicago Style Citation

Waring, Bob., i Maurice Jamall. A Helping Hand. Boston: Heinle, 2007.

Cita MLA

Waring, Bob., i Maurice Jamall. A Helping Hand. Boston: Heinle, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.