APA

Carter B., . (1956). The office of prime minister. Gran Bretana: Princeton University Press.

Chicago

Carter Byrum, . 1956. The office of prime minister. Gran Bretana: Princeton University Press.

Harvard

Carter B., . (1956). The office of prime minister. Gran Bretana: Princeton University Press.

MLA

Carter Byrum, . The office of prime minister. Gran Bretana: Princeton University Press. 1956.