Keppel, G., & Saufley, W. H. (1980). Introduction to design and analysis: A student's handbook. San Francisco: W. H. Freeman.
Trích dẫn kiểu ChicagoKeppel, Geoffrey., và William H. Saufley. Introduction to Design and Analysis: A Student's Handbook. San Francisco: W. H. Freeman, 1980.
MLA引文Keppel, Geoffrey., và William H. Saufley. Introduction to Design and Analysis: A Student's Handbook. San Francisco: W. H. Freeman, 1980.
警告：这些引文格式不一定是100％准确.