Wallraff, C. F. (1970). Karl Jaspers: An introduction to his philosophy. Princeton University Press.
Cita Chicago Style (17a ed.)Wallraff, Charles F. Karl Jaspers: An Introduction to His Philosophy. Princeton (New Jersey): Princeton University Press, 1970.
Cita MLA (9a ed.)Wallraff, Charles F. Karl Jaspers: An Introduction to His Philosophy. Princeton University Press, 1970.
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