Heppenstall, E. (1974). Salvation unlimited. Review and Herald.
Cita Chicago (17th ed.)Heppenstall, Edward. Salvation Unlimited. Review and Herald, 1974.
Cita MLA (9th ed.)Heppenstall, Edward. Salvation Unlimited. Review and Herald, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.