APA-čujuhus (7. p.)
Wurmbrand, R., & Foley, C. (1968). In God's underground. Fawcett Gold Medal Book.
Chicago-čujuhus (17. p.)
Wurmbrand, Richard, juo Charles Foley. In God's Underground. Greenwich: Fawcett Gold Medal Book, 1968.
MLA-čujuhus (9. p.)
Wurmbrand, Richard, juo Charles Foley. In God's Underground. Fawcett Gold Medal Book, 1968.
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