APA (7th ed.) Zitazioa
Popov, H. (1970). Tortured for his faith: An epic of christian courage and heroism in our day. Lakeland.
Chicago Style (17th ed.) Zitazioa
Popov, Haralan. Tortured for His Faith: An Epic of Christian Courage and Heroism in Our Day. London: Lakeland, 1970.
MLA (9th ed.) Zitazioa
Popov, Haralan. Tortured for His Faith: An Epic of Christian Courage and Heroism in Our Day. Lakeland, 1970.
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