MADDEN, R. (1974). Harbrace spelling program. Harcourt brace jovanvich.
芝加哥风格引文MADDEN, Richard. Harbrace Spelling Program. New York: Harcourt brace jovanvich, 1974.
MLA引文MADDEN, Richard. Harbrace Spelling Program. Harcourt brace jovanvich, 1974.
警告：这些引文格式不一定是100％准确.