QUALLEN, S. B. (2006). CHAMPIONSHIP SCIENCE FAIR PROJECTS. GOODWILL PUBLISHING HOUSE.
Chicagoスタイル(17版)引用形式QUALLEN, SUDIPTA. BARDHAN. CHAMPIONSHIP SCIENCE FAIR PROJECTS. NEW DELHI: GOODWILL PUBLISHING HOUSE, 2006.
MLA(9版)引用形式QUALLEN, SUDIPTA. BARDHAN. CHAMPIONSHIP SCIENCE FAIR PROJECTS. GOODWILL PUBLISHING HOUSE, 2006.
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