Cita APA (7th ed.)

Viller, M. (1990). Sabbatini - System. Beauchesne.

Cita Chicago (17th ed.)

Viller, Marcel. Sabbatini - System. Paris: Beauchesne, 1990.

Cita MLA (8th ed.)

Viller, Marcel. Sabbatini - System. Beauchesne, 1990.