1.
The Sage and the way. Assen: Van Gorcum; 1979.
The Sage and the way. Assen : Van Gorcum, 7 mai 1979. ISBN 90-232-1596-6
Wetlesen Jon. (1979). The Sage and the way: Spinoza's ethics of freedom. Van Gorcum.
MLA (8th ed.) CitationWetlesen Jon. The Sage and the Way: Spinoza's Ethics of Freedom. Van Gorcum, 1979.
Warning: These citations may not always be 100% accurate.