Citazione Stile APA (7a Edizione)

BARKER, E. 1. –. (1967). Reflections on Government. Oxford University press.

Citazione stile Chigago Style (17a edizione)

BARKER, Ernest 1874 –1960. Reflections on Government. London: Oxford University press, 1967.

Citatione MLA (9a ed.)

BARKER, Ernest 1874 –1960. Reflections on Government. Oxford University press, 1967.