APA (7th ed.) Zitazioa
Campus crusade for Christ International. (1964). Ten basic steps towards Christian maturity. Campus crusade for Christ International.
Chicago Style (17th ed.) Zitazioa
Campus crusade for Christ International. Ten Basic Steps Towards Christian Maturity. Canada: Campus crusade for Christ International, 1964.
MLA (9th ed.) Zitazioa
Campus crusade for Christ International. Ten Basic Steps Towards Christian Maturity. Campus crusade for Christ International, 1964.
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