福格尔 & 岳卓. (2008). 假如爱犬会说话: If your dog could talk…. 科学普及出版社.
Lua i Stíl Chicago (17ú heag.)福格尔 agus 岳卓. 假如爱犬会说话: If Your Dog Could Talk…. 科学普及出版社, 2008.
Lua MLA (8ú heag.)福格尔 agus 岳卓. 假如爱犬会说话: If Your Dog Could Talk…. 科学普及出版社, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.