Duch, B. J., Groh, S. E., & Allen, D. E. (2001). The power of problem-based learning: A practical "how to" for teaching undergraduate courses in any discipline (First edition.). Stylus.
芝加哥风格引文Duch, Barbara J., Susan E. Groh, 与 Deborah E. Allen. The Power of Problem-based Learning: A Practical "How to" for Teaching Undergraduate Courses in Any Discipline. First edition. Sterling, Virginia: Stylus, 2001.
MLA引文Duch, Barbara J., et al. The Power of Problem-based Learning: A Practical "How to" for Teaching Undergraduate Courses in Any Discipline. First edition. Stylus, 2001.
警告：这些引文格式不一定是100％准确.