Johnson Spencer. (1998). Who Moved My Cheese: An Amazing Way to Deal with Change in Your Work & in Your LIfe. Vermillion.
Chicago Style aipamenaJohnson Spencer. Who Moved My Cheese: An Amazing Way to Deal with Change in Your Work & in Your LIfe. London: Vermillion, 1998.
MLA aipamenaJohnson Spencer. Who Moved My Cheese: An Amazing Way to Deal with Change in Your Work & in Your LIfe. Vermillion, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.