Registre des lettres

MLA

Gregorius, et al. Registre Des Lettres. Paris: Cerf, 1991.

APA

Gregorius, G., Minard, P., Reydellet, M., & Norberg, D. (1991). Registre des lettres. Paris: Cerf.

Chicago

Gregorius, Marc Reydellet, and Dag Norberg. Registre Des Lettres. Translated by Pierre Minard. Paris: Cerf, 1991.