APA
DOUGLAS A HUGHES, . (1964). THE ESSENTIALS OF ECONOMICS,AN INTRODUCTION AND OUTLINE FOR STUDENTS AND FOR T. : OXFORD UNIVERSITY PRESS.
Chicago
DOUGLAS A HUGHES, . 1964. THE ESSENTIALS OF ECONOMICS,AN INTRODUCTION AND OUTLINE FOR STUDENTS AND FOR T. : OXFORD UNIVERSITY PRESS.
Harvard
DOUGLAS A HUGHES, . (1964). THE ESSENTIALS OF ECONOMICS,AN INTRODUCTION AND OUTLINE FOR STUDENTS AND FOR T. : OXFORD UNIVERSITY PRESS.
MLA
DOUGLAS A HUGHES, . THE ESSENTIALS OF ECONOMICS,AN INTRODUCTION AND OUTLINE FOR STUDENTS AND FOR T. : OXFORD UNIVERSITY PRESS. 1964.
