Christenson, L., & Christenson, N. (1977). The Christian couple. Bethany.
芝加哥风格引文Christenson, Laurence, 与 Nordis Christenson. The Christian Couple. Minneapolis: Bethany, 1977.
MLA引文Christenson, Laurence, 与 Nordis Christenson. The Christian Couple. Bethany, 1977.
警告：这些引文格式不一定是100％准确.