Approches de l'opéra = Approaches of the Opera

MLA

Helbo, André. Approches De L'opéra = Approaches of the Opera. Paris: Didier Erudition, 1986.

APA

Helbo, A. (1986). Approches de l'opéra = Approaches of the Opera. Paris: Didier Erudition.

Chicago

Helbo, André Approches De L'opéra = Approaches of the Opera. Paris: Didier Erudition, 1986.