APA (7. basım) Alıntı

HEATER, D. (1971). Political ideas in the modern World. George G. Harrap.

Chicago Style (17. basım) Atıf

HEATER, D.B. Political Ideas in the Modern World. London: George G. Harrap, 1971.

MLA (9th ed.) Atıf

HEATER, D.B. Political Ideas in the Modern World. George G. Harrap, 1971.