APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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