BAY BOOKS SYDNEY. (1972). Encyclopedia of the world animal 15: Otter - platypus. BAY books Sydney.
芝加哥风格引文BAY BOOKS SYDNEY. Encyclopedia of the World Animal 15: Otter - Platypus. Sydney: BAY books Sydney, 1972.
MLA引文BAY BOOKS SYDNEY. Encyclopedia of the World Animal 15: Otter - Platypus. BAY books Sydney, 1972.
警告：这些引文格式不一定是100％准确.