Tietueen sitaatit
APA-viiteBlack, J. M., Lulli, A. d., Bishop, H. R., Rahmaninov, S., Strauss, J., Cannon, H., . . . Waldteufel, E. (2019). Easy adult piano beginner's course: A step-by-step learning system (Updated edition.). Hal Leonard.
Chicago-tyylinen lähdeviittausBlack, James M., et al. Easy Adult Piano Beginner's Course: A Step-by-step Learning System. Updated edition. Milwaukee, WI: Hal Leonard, 2019.
MLA-viiteBlack, James M., et al. Easy Adult Piano Beginner's Course: A Step-by-step Learning System. Updated edition. Hal Leonard, 2019.
Harvard-tyylinen lähdeviittausBlack, J. M., Lulli, A. d., Bishop, H. R., Rahmaninov, S., Strauss, J., Cannon, H., . . . Waldteufel, E. 2019. Easy adult piano beginner's course: A step-by-step learning system. Updated edition. Milwaukee, WI: Hal Leonard.