Peck, M. S., Von Waldner, M., & Kay, P. (1985). What return can I make?: Dimensions of the Christian experience. Rider.
Cita Chicago (17th ed.)Peck, Morgan Scott, Marilyn Von Waldner, i Patricia Kay. What Return Can I Make?: Dimensions of the Christian Experience. London: Rider, 1985.
Cita MLA (9th ed.)Peck, Morgan Scott, et al. What Return Can I Make?: Dimensions of the Christian Experience. Rider, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.