Gaya APA

Lovell, G, &, R, N, G. (2011). Sustaining preachers & preaching: A practical guide. . London: London T&T Clark International.

Gaya MLA

Lovell, George, &, Richardson,, Neil, G.. "Sustaining preachers & preaching: A practical guide. ". London: London T&T Clark International, 2011. Buku.