SOUTH WATER PUB. (2000). LOOK & LEARN NUMBERS A FIRST POINT & SAY BOOK. SOUTH WATER PUB.
Cita Chicago Style (17a ed.)SOUTH WATER PUB. LOOK & LEARN NUMBERS A FIRST POINT & SAY BOOK. HONG KONG: SOUTH WATER PUB, 2000.
Cita MLA (9a ed.)SOUTH WATER PUB. LOOK & LEARN NUMBERS A FIRST POINT & SAY BOOK. SOUTH WATER PUB, 2000.
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