APA (7e ed.) Bronvermelding

Whistler, H. S. (1940). Bell Lyra: A fundamental course for individual or like-instrument class instruction / Harvey S.Whistler. Rubank.

Chicago (17e ed.) Bronvermelding

Whistler, Harvey S. Bell Lyra: A Fundamental Course for Individual or Like-instrument Class Instruction / Harvey S.Whistler. Miami, Fl.: Rubank, 1940.

MLA (8e ed.) Bronvermelding

Whistler, Harvey S. Bell Lyra: A Fundamental Course for Individual or Like-instrument Class Instruction / Harvey S.Whistler. Rubank, 1940.