APA-referens (7:e uppl.)
Vron, J., Pennec, S., & Lgar, J. (2007). Ages, Generations and the Social Contract: The Demographic Challenges Facing the Welfare State. Springer Netherlands. https://doi.org/10.1007/978-1-4020-5973-5
Chicago-referens (17:e uppl.)
Vron, Jacques, Sophie Pennec, och Jacques Lgar. Ages, Generations and the Social Contract: The Demographic Challenges Facing the Welfare State. Dordrecht: Springer Netherlands, 2007. https://doi.org/10.1007/978-1-4020-5973-5.
MLA-referens (9:e uppl.)
Vron, Jacques, et al. Ages, Generations and the Social Contract: The Demographic Challenges Facing the Welfare State. Springer Netherlands, 2007. https://doi.org/10.1007/978-1-4020-5973-5.
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