Παραπομπή APA

Johnson, S. (2002). Who moved my cheese ?: An amasing way to deal with change in your wok and in your life. Vermilion.

Παραπομπή Chicago Style

Johnson, Spencer. Who Moved My Cheese ?: An Amasing Way to Deal with Change in Your Wok and in Your Life. London: Vermilion, 2002.

Παραπομπή MLA

Johnson, Spencer. Who Moved My Cheese ?: An Amasing Way to Deal with Change in Your Wok and in Your Life. Vermilion, 2002.