Wolpert, L. (2019). Principles of development (Sixth edition.). Oxford University Press.
芝加哥风格引文Wolpert, Lewis. Principles of Development. Sixth edition. Oxford, UK: Oxford University Press, 2019.
MLA引文Wolpert, Lewis. Principles of Development. Sixth edition. Oxford University Press, 2019.
警告：这些引文格式不一定是100％准确.