1.
, , . Keep going !. Paris: Nathan; 1992.
, et . Keep going !. Paris : Nathan, 20 mai 1992. ISBN 2-09-176194-X
Bonnet-Piron Daniel, Bonnet-Piron Lucienne, & Dupont Ginette. (1992). Keep going !: 2e professionnelle, BEP 1. Nathan.
MLA (8th ed.) CitationBonnet-Piron Daniel, et al. Keep Going !: 2e Professionnelle, BEP 1. Nathan, 1992.
Warning: These citations may not always be 100% accurate.