THORBURN, C. (2003). Twins / Christine Thorburn. Jakarta: Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationTHORBURN, Christine. Twins / Christine Thorburn. Jakarta: Gramedia Pustaka Utama, 2003.
MLA (8th ed.) CitationTHORBURN, Christine. Twins / Christine Thorburn. Jakarta: Gramedia Pustaka Utama, 2003.
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