APA引文

Rugh, K. (2004). Labrador retrievers. Hoboken, N.J: Howell Book House.

Trích dẫn kiểu Chicago

Rugh, Karla. Labrador Retrievers. Hoboken, N.J: Howell Book House, 2004.

MLA引文

Rugh, Karla. Labrador Retrievers. Hoboken, N.J: Howell Book House, 2004.

警告:這些引文格式不一定是100%准確.