Ginsburg, H., & Opper, S. (1969). Piaget's theory of intellectual development: An introduction. Prentice-Hall.
芝加哥风格引文Ginsburg, Herbert, 与 Sylvia Opper. Piaget's Theory of Intellectual Development: An Introduction. Englewood Cliffs, N.J.: Prentice-Hall, 1969.
MLA引文Ginsburg, Herbert, 与 Sylvia Opper. Piaget's Theory of Intellectual Development: An Introduction. Prentice-Hall, 1969.
警告：这些引文格式不一定是100％准确.