Poloma , M. M., & Gullap , G. H. (1991). Varrietie of prayer: A Survey Report (ed.). Trinity Press International.
芝加哥风格引文Poloma , Margaret M., 与 Goerge H. Gullap. Varrietie of Prayer: A Survey Report. ed. Philedelphia: Trinity Press International, 1991.
MLA引文Poloma , Margaret M., 与 Goerge H. Gullap. Varrietie of Prayer: A Survey Report. ed. Trinity Press International, 1991.
警告：这些引文格式不一定是100％准确.