Cita APA (7th ed.)

Frankel ,. (1973). International politics: Conflict and harmony. Penguin.

Cita Chicago (17th ed.)

Frankel. International Politics: Conflict and Harmony. Harmondsworth: Penguin, 1973.

Cita MLA (9th ed.)

Frankel. International Politics: Conflict and Harmony. Penguin, 1973.