Johnson, S. D. (1998). Who moved my Cheese? Vermilion.
Cita Chicago (17th ed.)Johnson, Spencer Dr. Who Moved My Cheese? London: Vermilion, 1998.
Cita MLA (9th ed.)Johnson, Spencer Dr. Who Moved My Cheese? Vermilion, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.