1.
, , . Frail happiness. University Park: Pennsylvania State University Press; 2024.
, et . Frail happiness. University Park : Pennsylvania State University Press, 6 mai 2024. ISBN 0-271-02110-1
Todorov Tzvetan, Scott John T., & Zaretsky Robert. (2001). Frail happiness: An essay on Rousseau. Pennsylvania State University Press.
MLA (8th ed.) CitationTodorov Tzvetan, et al. Frail Happiness: An Essay on Rousseau. Pennsylvania State University Press, 2001.
Warning: These citations may not always be 100% accurate.