Swindoll, C. R. (1992). Laugh again: A study of Philippians. Insight for living.
芝加哥风格引文Swindoll, Charles R. Laugh Again: A Study of Philippians. Anaheim: Insight for living, 1992.
MLA引文Swindoll, Charles R. Laugh Again: A Study of Philippians. Insight for living, 1992.
警告：这些引文格式不一定是100％准确.