APA引文

PAUL, S. (1955). ECONOMICS 9TH EDITION. MCGRAW HILL.

芝加哥风格引文

PAUL, SAMUELSON. ECONOMICS 9TH EDITION. NEW-YORK: MCGRAW HILL, 1955.

MLA引文

PAUL, SAMUELSON. ECONOMICS 9TH EDITION. MCGRAW HILL, 1955.

警告：这些引文格式不一定是100％准确.