APA aipamena

DAHL, R. A. (1991). Modern Plotical Analysis Robert A. Dahl. Prentice Hall.

Chicago Style aipamena

DAHL, Robert A. Modern Plotical Analysis Robert A. Dahl. Prentice Hall, 1991.

MLA aipamena

DAHL, Robert A. Modern Plotical Analysis Robert A. Dahl. Prentice Hall, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.