Kippenhahn, R. A., & Osers, E. T. (2000). Code breaking: A history and exploration.
Stile di citazione ChicagoKippenhahn, Rudolf; Author, e Ewald; Translator Osers. Code Breaking: A History and Exploration. Hyderabad, Universities Press (India) Ltd, 2000.
Citazione MLAKippenhahn, Rudolf; Author, e Ewald; Translator Osers. Code Breaking: A History and Exploration. 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.