Cita APA (7th ed.)

Rohner, T., & Christie, J. (1968). 50 christmas carols. The M-F Music Company.

Cita Chicago (17th ed.)

Rohner, Traugott, i John Christie. 50 Christmas Carols. Evanston, IL: The M-F Music Company, 1968.

Cita MLA (9th ed.)

Rohner, Traugott, i John Christie. 50 Christmas Carols. The M-F Music Company, 1968.