Cita APA

Strang, G. B. (1996). Once more into the breach: Britain's guarantee to Poland ; march 1939. Journal of contemporary history.

Citación estilo Chicago

Strang, G. Bruce. "Once More into the Breach: Britain's Guarantee to Poland ; March 1939." Journal of Contemporary History 1996.

Cita MLA

Strang, G. Bruce. "Once More into the Breach: Britain's Guarantee to Poland ; March 1939." Journal of Contemporary History, 1996.