Clarfield, I. J., & Guy, S. W. (1996). From mystery to mastery: A unique and exciting step-by-step approach to practicing and performing favorite piano repertoire from four stylistic periods : study guide. Alfred Pub.
芝加哥风格引文Clarfield, Ingrid Jacobson, 与 Suzanne West Guy. From Mystery to Mastery: A Unique and Exciting Step-by-step Approach to Practicing and Performing Favorite Piano Repertoire from Four Stylistic Periods : Study Guide. Van Nuys, Calif: Alfred Pub, 1996.
MLA引文Clarfield, Ingrid Jacobson, 与 Suzanne West Guy. From Mystery to Mastery: A Unique and Exciting Step-by-step Approach to Practicing and Performing Favorite Piano Repertoire from Four Stylistic Periods : Study Guide. Alfred Pub, 1996.
警告：这些引文格式不一定是100％准确.