Opdebeeck, O., Petillot, C., & Barthélémy, Y. (1989). La voix. Ed. J. M. G.
Chicago Style (17th ed.) CitationOpdebeeck, Olivier, Claude Petillot, and Yva Barthélémy. La Voix. Paris: Ed. J. M. G, 1989.
MLA (9th ed.) CitationOpdebeeck, Olivier, et al. La Voix. Ed. J. M. G, 1989.
Warning: These citations may not always be 100% accurate.