(1997). Gorillas in our midst: The story of the Columbus Zoo gorillas / Jeff Lyttle.
芝加哥风格引文Gorillas in Our Midst: The Story of the Columbus Zoo Gorillas / Jeff Lyttle. 1997.
MLA引文Gorillas in Our Midst: The Story of the Columbus Zoo Gorillas / Jeff Lyttle. 1997.
警告：这些引文格式不一定是100％准确.