APA引文

John L. Phillips. (1969). The origins of intellect: Piaget's theory. San Francisco: W.H. Freeman and Co.

Trích dẫn kiểu Chicago

John L. Phillips. The Origins of Intellect: Piaget's Theory. San Francisco: W.H. Freeman and Co, 1969.

MLA引文

John L. Phillips. The Origins of Intellect: Piaget's Theory. San Francisco: W.H. Freeman and Co, 1969.

警告：這些引文格式不一定是100％准確.