Guntner, T. A. (1994). Learning Apollo: Basic and advanced training. South-Western Pub. Co.
芝加哥风格引文Guntner, Talula Austin. Learning Apollo: Basic and Advanced Training. Cincinnati, Ohio: South-Western Pub. Co, 1994.
MLA引文Guntner, Talula Austin. Learning Apollo: Basic and Advanced Training. South-Western Pub. Co, 1994.
警告：这些引文格式不一定是100％准确.