APA引文

McCall Smith, A., & Porter, D. (2009). The lost art of gratitude (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

McCall Smith, Alexander, and Davina Porter. The Lost Art of Gratitude. Unabridged. Prince Frederick: Recorded Books Inc., 2009.

MLA引文

McCall Smith, Alexander, and Davina Porter. The Lost Art of Gratitude. Unabridged. Recorded Books Inc., 2009.

警告：這些引文格式不一定是100％准確.