Hammond, R. (1984). Forward 100: LOGO and your child : a new way of learning. Viking.
芝加哥风格引文Hammond, Ray. Forward 100: LOGO and Your Child : A New Way of Learning. Harmondsworth, Middlesex, England: Viking, 1984.
MLA引文Hammond, Ray. Forward 100: LOGO and Your Child : A New Way of Learning. Viking, 1984.
警告：这些引文格式不一定是100％准确.