Piaget, J. (1951). The child's conception of the world. Little Adams Quality paperbacks.
芝加哥风格引文Piaget, Jean. The Child's Conception of the World. Maryland: Little Adams Quality paperbacks, 1951.
MLA引文Piaget, Jean. The Child's Conception of the World. Little Adams Quality paperbacks, 1951.
警告：这些引文格式不一定是100％准确.