Fukai, T. (2013). Paul Tillich: Journey to Japan in 1960. De Gruyter.
Tohutoru Kātū Chicago (17th ed.)Fukai, Tomoaki. Paul Tillich: Journey to Japan in 1960. Berlin ; Boston: De Gruyter, 2013.
Tohutoro MLA (9th ed.)Fukai, Tomoaki. Paul Tillich: Journey to Japan in 1960. De Gruyter, 2013.
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