VALENTINE, J. L. (2004). The Power Of One/ James Lee Valentine. Jakarta: Bhuana Ilmu Populer.
Lua i Stíl Chicago (17ú heag.)VALENTINE, James Lee. The Power Of One/ James Lee Valentine. Jakarta: Bhuana Ilmu Populer, 2004.
Lua MLA (8ú heag.)VALENTINE, James Lee. The Power Of One/ James Lee Valentine. Jakarta: Bhuana Ilmu Populer, 2004.
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