Johnnson Spencer & Blanchard, K. Who moved my cheese?: An amazing way to deal with change in your work and in your life. G.P.Putnam's Sons.
Chicago Style (17th ed.) ZitazioaJohnnson Spencer eta Kenneth Blanchard. Who Moved My Cheese?: An Amazing Way to Deal with Change in Your Work and in Your Life. New York: G.P.Putnam's Sons.
MLA (9th ed.) ZitazioaJohnnson Spencer eta Kenneth Blanchard. Who Moved My Cheese?: An Amazing Way to Deal with Change in Your Work and in Your Life. G.P.Putnam's Sons.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.