Weigand, J. E. (1971). Developing teacher competencies. Prentice-Hall.
芝加哥风格引文Weigand, James E. Developing Teacher Competencies. Englewood Cliffs, N.J.: Prentice-Hall, 1971.
MLA引文Weigand, James E. Developing Teacher Competencies. Prentice-Hall, 1971.
警告：这些引文格式不一定是100％准确.