APA

Punnett R. M., . (1971). British government and politics. New York: Norton.

Chicago

Punnett R M, . 1971. British government and politics. New York: Norton.

Harvard

Punnett R. M., . (1971). British government and politics. New York: Norton.

MLA

Punnett R M, . British government and politics. New York: Norton. 1971.