Gaya APA

Tournier, P. (1963). The strong and the weak. RPT 202-203. Appearance and reality: hal.13-36 - Psychic Strength and spiritual strength: hal.203-229. . Philadelphia: Westminister Press.

Gaya MLA

Tournier, Paul. "The strong and the weak. RPT 202-203. Appearance and reality: hal.13-36 - Psychic Strength and spiritual strength: hal.203-229. ". Philadelphia: Westminister Press, 1963. Buku.