APA (7th ed.) Zitazioa
Estep, H. C. (1970). Petra: The rose red city. World Prophetic Ministry, Inc..
Chicago Style (17th ed.) Zitazioa
Estep, Howard C. Petra: The Rose Red City. Colton, California: World Prophetic Ministry, Inc., 1970.
MLA (9th ed.) Zitazioa
Estep, Howard C. Petra: The Rose Red City. World Prophetic Ministry, Inc., 1970.
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