APA
HEYWOOD A., . (1994). POLITICAL THEORY AN INTRODUCTION. NEW YORK: MACMILLAN EDUCATION.
Chicago
HEYWOOD ANDREW, . 1994. POLITICAL THEORY AN INTRODUCTION. NEW YORK: MACMILLAN EDUCATION.
Harvard
HEYWOOD A., . (1994). POLITICAL THEORY AN INTRODUCTION. NEW YORK: MACMILLAN EDUCATION.
MLA
HEYWOOD ANDREW, . POLITICAL THEORY AN INTRODUCTION. NEW YORK: MACMILLAN EDUCATION. 1994.