NOBBS J. (1994). ECONOMICS A CORE TEXT. MC GRAW HILL.
芝加哥风格引文NOBBS J. ECONOMICS A CORE TEXT. NEW YORK: MC GRAW HILL, 1994.
MLA引文NOBBS J. ECONOMICS A CORE TEXT. MC GRAW HILL, 1994.
警告：这些引文格式不一定是100％准确.
APA引文
NOBBS J. (1994). ECONOMICS A CORE TEXT. MC GRAW HILL.
芝加哥风格引文NOBBS J. ECONOMICS A CORE TEXT. NEW YORK: MC GRAW HILL, 1994.
MLA引文NOBBS J. ECONOMICS A CORE TEXT. MC GRAW HILL, 1994.