APA (7th ed.) Zitazioa

EASTON, D. (1965). A Framework for political analysis. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

EASTON, David. A Framework for Political Analysis. Englewood Cliffs, N.J.: Prentice-Hall, 1965.

MLA (9th ed.) Zitazioa

EASTON, David. A Framework for Political Analysis. Prentice-Hall, 1965.