Jacobson, A. (1992). Think, think, think now!: Material and methods for problem solving. Phoenix Pub.
芝加哥风格引文Jacobson, Andrew. Think, Think, Think Now!: Material and Methods for Problem Solving. Quezon City: Phoenix Pub, 1992.
MLA引文Jacobson, Andrew. Think, Think, Think Now!: Material and Methods for Problem Solving. Phoenix Pub, 1992.
警告：这些引文格式不一定是100％准确.