Campus crusade for Christ International. (1964). Ten basic steps towards Christian maturity. Campus crusade for Christ International.
Chicago-viite (17. p.)Campus crusade for Christ International. Ten Basic Steps Towards Christian Maturity. Canada: Campus crusade for Christ International, 1964.
MLA-viite (9. p.)Campus crusade for Christ International. Ten Basic Steps Towards Christian Maturity. Campus crusade for Christ International, 1964.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.