Sood Vikram. (2018). Unending Game: Former R & A W Chiefs Insights Into Espionage. Penguin.
Citazione stile Chigago Style (17a edizione)Sood Vikram. Unending Game: Former R & A W Chiefs Insights Into Espionage. Penguin, 2018.
Citatione MLA (9a ed.)Sood Vikram. Unending Game: Former R & A W Chiefs Insights Into Espionage. Penguin, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.