Edlund, L. (1974). Modus Vetus: Sight Singing and ear-training in major/minor tonality / Lars Edlund. Hansen / Chester Music.
Cita Chicago Style (17a ed.)Edlund, Lars. Modus Vetus: Sight Singing and Ear-training in Major/minor Tonality / Lars Edlund. Stockholm/New York: Hansen / Chester Music, 1974.
Cita MLA (8a ed.)Edlund, Lars. Modus Vetus: Sight Singing and Ear-training in Major/minor Tonality / Lars Edlund. Hansen / Chester Music, 1974.
Precaución: Estas citas no son 100% exactas.