Cita APA

Riordan, D. C. (2003). “I'm sorry for your trouble”. BMJ Publishing Group Ltd.

Chicago Style Citation

Riordan, Daniel C. “I'm Sorry for Your Trouble”. BMJ Publishing Group Ltd, 2003.

Cita MLA

Riordan, Daniel C. “I'm Sorry for Your Trouble”. BMJ Publishing Group Ltd, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.