Citace podle APA (7th ed.)

Johnson, R. H. (1972). The concept of existence in the concluding unscientific postscript. Nijhoff.

Citace podle Chicago (17th ed.)

Johnson, Ralph Henry. The Concept of Existence in the Concluding Unscientific Postscript. The Hague: Nijhoff, 1972.

Citace podle MLA (9th ed.)

Johnson, Ralph Henry. The Concept of Existence in the Concluding Unscientific Postscript. Nijhoff, 1972.

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