Roland, H., & Boyer, L. (1999). Obligations (6. éd.). Litec.
Chicago Style (17th ed.) CitationRoland, Henri, and Laurent Boyer. Obligations. 6. éd. Paris: Litec, 1999.
MLA (9th ed.) CitationRoland, Henri, and Laurent Boyer. Obligations. 6. éd. Litec, 1999.
Warning: These citations may not always be 100% accurate.