Wells, R. A. (1998). Stretch: Explore, explain, persuade. Prentice Hall.
Chicago Style (17th ed.) CitationWells, Randall A. Stretch: Explore, Explain, Persuade. Upper Saddle River, N.J: Prentice Hall, 1998.
MLA引文Wells, Randall A. Stretch: Explore, Explain, Persuade. Prentice Hall, 1998.
警告:這些引文格式不一定是100%准確.