Cita APA (7a ed.)

(1967). Technical requirements, ear tests and sight reading exercises. Frederick Harris Music.

Cita Chicago Style (17a ed.)

Technical Requirements, Ear Tests and Sight Reading Exercises. Ontario, Canadá: Frederick Harris Music, 1967.

Cita MLA (8a ed.)

Technical Requirements, Ear Tests and Sight Reading Exercises. Frederick Harris Music, 1967.