Colfer, G. R. (1986). Contemporary physical education. W. M. C.Brown.
芝加哥风格引文Colfer, George R. Contemporary Physical Education. Dubuque, Iowa: W. M. C.Brown, 1986.
MLA引文Colfer, George R. Contemporary Physical Education. W. M. C.Brown, 1986.
警告：这些引文格式不一定是100％准确.