Cita APA (7th ed.)

Weekley, D., & Weekley, N. A. (1997). Easy for two: One piano four hands : preparatory level. Neil A. Kjos Music.

Cita Chicago (17th ed.)

Weekley, Dallas, i Nancy Arganbright Weekley. Easy for Two: One Piano Four Hands : Preparatory Level. San Diego, Calif: Neil A. Kjos Music, 1997.

Cita MLA (9th ed.)

Weekley, Dallas, i Nancy Arganbright Weekley. Easy for Two: One Piano Four Hands : Preparatory Level. Neil A. Kjos Music, 1997.