Cita APA (7th ed.)
ASHTON, M. (2005). CAN WE HELP?
Cita Chicago (17th ed.)
ASHTON, M. CAN WE HELP? 2005.
Cita MLA (9th ed.)
ASHTON, M. CAN WE HELP? 2005.
Atenció: Aquestes cites poden no estar 100% correctes.