APA (7th ed.) Zitazioa
Belck, J. (1967). Faith and crisis in the stages of life. Hallmark.
Chicago Style (17th ed.) Zitazioa
Belck, Jack. Faith and Crisis in the Stages of Life. Kansas city: Hallmark, 1967.
MLA (9th ed.) Zitazioa
Belck, Jack. Faith and Crisis in the Stages of Life. Hallmark, 1967.
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