RILEY, P. (2011). RESEARCH PROJECT. VIVA BOOKS.
Chicagoスタイル(17版)引用形式RILEY, PIPPA. RESEARCH PROJECT. DELHI: VIVA BOOKS, 2011.
MLA(9版)引用形式RILEY, PIPPA. RESEARCH PROJECT. VIVA BOOKS, 2011.
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APA(7版)引用形式