APA

Jennings I. S., . (1961). Parliament. Gran Bretana: Cambridge University Press.

Chicago

Jennings Ivor Sir, . 1961. Parliament. Gran Bretana: Cambridge University Press.

Harvard

Jennings I. S., . (1961). Parliament. Gran Bretana: Cambridge University Press.

MLA

Jennings Ivor Sir, . Parliament. Gran Bretana: Cambridge University Press. 1961.