Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clarfield, Ingrid Jacobson, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

Clarfield, Ingrid Jacobson, και 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.