MARDEN ORISON SWETT. (1961). CONQUEST OF WORRY. ORIENT PUBLISHING COMPANY.
芝加哥风格引文MARDEN ORISON SWETT. CONQUEST OF WORRY. DELHI: ORIENT PUBLISHING COMPANY, 1961.
MLA引文MARDEN ORISON SWETT. CONQUEST OF WORRY. ORIENT PUBLISHING COMPANY, 1961.
警告：这些引文格式不一定是100％准确.