THOMAS ISABEL. (2019). GORDON'S GUIDE TO CARING FOR YOUR GUINEA PIGS (2018 Ed.). RAINTREE PUBLISHERS.
Chicagoスタイル(17版)引用形式THOMAS ISABEL. GORDON'S GUIDE TO CARING FOR YOUR GUINEA PIGS. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.
MLA(9版)引用形式THOMAS ISABEL. GORDON'S GUIDE TO CARING FOR YOUR GUINEA PIGS. 2018 Ed. RAINTREE PUBLISHERS, 2019.
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