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.
Chicago Style (17th ed.) Citation福格尔 i 岳卓. 假如爱犬会说话: If Your Dog Could Talk…. 科学普及出版社, 2008.
Cita MLA福格尔 i 岳卓. 假如爱犬会说话: If Your Dog Could Talk…. 科学普及出版社, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.