Cohen, R. (1987). Theatre of power: The art of diplomatic signalling. Longman.
Citazione stile Chigago Style (17a edizione)Cohen, Raymond. Theatre of Power: The Art of Diplomatic Signalling. London ; New York: Longman, 1987.
Citatione MLA (9a ed.)Cohen, Raymond. Theatre of Power: The Art of Diplomatic Signalling. Longman, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.