Clark, A. (1965). Barbarossa. Penguin Books.
Cita Chicago (17th ed.)Clark, Alan. Barbarossa. London: Penguin Books, 1965.
Cita MLA (9th ed.)Clark, Alan. Barbarossa. Penguin Books, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.
Clark, A. (1965). Barbarossa. Penguin Books.
Cita Chicago (17th ed.)Clark, Alan. Barbarossa. London: Penguin Books, 1965.
Cita MLA (9th ed.)Clark, Alan. Barbarossa. Penguin Books, 1965.