Kipfer, B. A. (2001). The order of things: How everything in the world is organized into hierarchies, structures, and pecking orders (Revised edition.). Random House.
Chicago Style (17. basım) AtıfKipfer, Barbara Ann. The Order of Things: How Everything in the World Is Organized into Hierarchies, Structures, and Pecking Orders. Revised edition. New York: Random House, 2001.
MLA (9th ed.) AtıfKipfer, Barbara Ann. The Order of Things: How Everything in the World Is Organized into Hierarchies, Structures, and Pecking Orders. Revised edition. Random House, 2001.
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