Cita APA (7th ed.)

Thompson, J., & Sandoval, S. (2019). John Thompson's Easiest piano course: Part one. The Willias Music; Hal Leonard.

Cita Chicago (17th ed.)

Thompson, John, i Sergio Sandoval. John Thompson's Easiest Piano Course: Part One. Milwaukee, USA; London, England; Cheltenham, Australia: The Willias Music; Hal Leonard, 2019.

Cita MLA (9th ed.)

Thompson, John, i Sergio Sandoval. John Thompson's Easiest Piano Course: Part One. The Willias Music; Hal Leonard, 2019.