Aivanhov, O. M. (1989). Christmas and Easter in the initiatic tradition (4th ed.). Prosveta.
Chicago Style (17th ed.) CitationAivanhov, Omraam Mikhael. Christmas and Easter in the Initiatic Tradition. 4th ed. France: Prosveta, 1989.
MLA (9th ed.) CitationAivanhov, Omraam Mikhael. Christmas and Easter in the Initiatic Tradition. 4th ed. Prosveta, 1989.
Warning: These citations may not always be 100% accurate.