贝莉 & 王勋. (2006). “坏”狗: Dogs behaving badly. 科学普及出版社.
Dyfyniad Arddull Chicago贝莉 and 王勋. “坏”狗: Dogs Behaving Badly. 科学普及出版社, 2006.
Dyfyniad MLA贝莉 and 王勋. “坏”狗: Dogs Behaving Badly. 科学普及出版社, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.