SINGH & JAMES. (2011). PERFECT MATHEMATICS -2 ( TEACHER'S COPY ). EVERGREEN PUBLICATIONS.
Chicagoスタイル(17版)引用形式SINGH & JAMES. PERFECT MATHEMATICS -2 ( TEACHER'S COPY ). EVERGREEN PUBLICATIONS, 2011.
MLA(9版)引用形式SINGH & JAMES. PERFECT MATHEMATICS -2 ( TEACHER'S COPY ). EVERGREEN PUBLICATIONS, 2011.
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