Shuler, J. L. (1971). Lectureship: Methology in evangelism. s.n.
Cita Chicago (17th ed.)Shuler, Juan L. Lectureship: Methology in Evangelism. s.n, 1971.
Cita MLA (9th ed.)Shuler, Juan L. Lectureship: Methology in Evangelism. s.n, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.