Cita APA (7th ed.)

Day, H., Kovarsky, J., Neely, B., Pearl, D., & Pilhofer, M. (2020). Piano & keyboard all-in-one. John Wiley and Sons.

Cita Chicago (17th ed.)

Day, Holly, Jerry Kovarsky, Blake Neely, David Pearl, i Michael Pilhofer. Piano & Keyboard All-in-one. Hoboken, New Jersey: John Wiley and Sons, 2020.

Cita MLA (9th ed.)

Day, Holly, et al. Piano & Keyboard All-in-one. John Wiley and Sons, 2020.