Gaya APA

Tillich, Paul, Pieper, Josef, Descartes, René, Dru, Alexander, Lafleur, Laurence. (1952). The Courage To Be; Leisure The Basis Of Culture; Discourse On Method . New Haven: Yale University Press.

Gaya Chicago

Tillich, Paul, Pieper, Josef, Descartes, René, Dru, Alexander, Lafleur, Laurence. The Courage To Be; Leisure The Basis Of Culture; Discourse On Method. New Haven: Yale University Press, 1952. Text.

Gaya MLA

Tillich, Paul, Pieper, Josef, Descartes, René, Dru, Alexander, Lafleur, Laurence. The Courage To Be; Leisure The Basis Of Culture; Discourse On Method. New Haven: Yale University Press, 1952. Text.

Gaya Turabian

Tillich, Paul, Pieper, Josef, Descartes, René, Dru, Alexander, Lafleur, Laurence. The Courage To Be; Leisure The Basis Of Culture; Discourse On Method. New Haven: Yale University Press, 1952. Print.