Cita APA (7th ed.)

Steiner, J. (2017). A Cappella Grooving. Universal Ed..

Cita Chicago (17th ed.)

Steiner, Johannes. A Cappella Grooving. Wien: Universal Ed., 2017.

Cita MLA (8th ed.)

Steiner, Johannes. A Cappella Grooving. Universal Ed., 2017.