1.
, , , . Cheer up 1. Paris: Hatier; 1980.
, , et . Cheer up 1. Paris : Hatier, 29 mai 1980. ISBN 2-218-05221-0
Duval Armand, Hiélard Jean-Pierre, Wollocombe, & Carrasset Jean-Jacques. (1980). Cheer up 1. Hatier.
MLA (8th ed.) CitationDuval Armand, et al. Cheer Up 1. Hatier, 1980.
Warning: These citations may not always be 100% accurate.