Clark, G. S. R. K., & Clark, E. B. (1959). The art of lecturing: Some practical suggestions (Enlarged ed,.). Heffer.
芝加哥风格引文Clark, George Sidney Roberts Kitson, 与 E Bidder Clark. The Art of Lecturing: Some Practical Suggestions. Enlarged ed,. Camb.: Heffer, 1959.
MLA引文Clark, George Sidney Roberts Kitson, 与 E Bidder Clark. The Art of Lecturing: Some Practical Suggestions. Enlarged ed,. Heffer, 1959.
警告：这些引文格式不一定是100％准确.