Ryan, E. J. (1946). Psychobiologic foundations in dentistry. Thomas.
芝加哥风格引文Ryan, Edward James. Psychobiologic Foundations in Dentistry. Springfield, IL: Thomas, 1946.
MLA引文Ryan, Edward James. Psychobiologic Foundations in Dentistry. Thomas, 1946.
警告：这些引文格式不一定是100％准确.