Ford, B. G. (2013). No more biting for billy goat! Boxer Books.
Chicagoスタイル(17版)引用形式Ford, Bernette G. No More Biting for Billy Goat! [S.I.]: Boxer Books, 2013.
MLA(8版)引用形式Ford, Bernette G. No More Biting for Billy Goat! Boxer Books, 2013.
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