PEALE, N. V. (1993). Hidup Positif. Binarupa Aksara.
Chicago Style (17th ed.) CitationPEALE, Norman Vincent. Hidup Positif. Binarupa Aksara, 1993.
MLA (8th ed.) CitationPEALE, Norman Vincent. Hidup Positif. Binarupa Aksara, 1993.
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