APA Zitierstil

Fry, H. P. (2019). The walls have ears: The greatest intelligence operation of World War II. Yale University Press.

Chicago Zitierstil

Fry, Helen P. The Walls Have Ears: The Greatest Intelligence Operation of World War II. New Haven: Yale University Press, 2019.

MLA Zitierstil

Fry, Helen P. The Walls Have Ears: The Greatest Intelligence Operation of World War II. Yale University Press, 2019.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.