SILK LEONARD. (1978). ECONOMICS IN PLAIN ENGLISH. SIMON & SCHUSTER INC.
芝加哥风格引文SILK LEONARD. ECONOMICS IN PLAIN ENGLISH. NEW YORK: SIMON & SCHUSTER INC, 1978.
MLA引文SILK LEONARD. ECONOMICS IN PLAIN ENGLISH. SIMON & SCHUSTER INC, 1978.
警告：这些引文格式不一定是100％准确.