APA (7e ed.) Bronvermelding

Perkins, D. (1952). The American approach to foreing policy. Harvard University.

Chicago (17e ed.) Bronvermelding

Perkins, Dexter. The American Approach to Foreing Policy. Cambridge, Massachussetts: Harvard University, 1952.

MLA (9e ed.) Bronvermelding

Perkins, Dexter. The American Approach to Foreing Policy. Harvard University, 1952.