Waldroop, J. (2000). The 12 Bad Habits. Doubleday.
Lua i Stíl Chicago (17ú heag.)Waldroop, James. The 12 Bad Habits. New York: Doubleday, 2000.
Lua MLA (9ú heag.)Waldroop, James. The 12 Bad Habits. Doubleday, 2000.
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