Boucard, R. (1930). Revelations from the Secret Service: The spy on two fronts. By Robert Boucard. Translated by Raglan Somerset. Hutchinson & Co.
Chicago-Zitierstil (17. Ausg.)Boucard, Robert. Revelations from the Secret Service: The Spy on Two Fronts. By Robert Boucard. Translated by Raglan Somerset. London: Hutchinson & Co, 1930.
MLA-Zitierstil (9. Ausg.)Boucard, Robert. Revelations from the Secret Service: The Spy on Two Fronts. By Robert Boucard. Translated by Raglan Somerset. Hutchinson & Co, 1930.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.