387594 McCaffree, M. J., & Innis, P. (1977). Protocol: The complete handbook of diplomatic, official and social usage. Englewood Cliffs, N.J. : Prentice-Hall.
Citazione stile Chigago Style (17a edizione)387594 McCaffree, Mary Jane, e Pauline Innis. Protocol: The Complete Handbook of Diplomatic, Official and Social Usage. Englewood Cliffs, N.J. : Prentice-Hall, 1977.
Citatione MLA (9a ed.)387594 McCaffree, Mary Jane, e Pauline Innis. Protocol: The Complete Handbook of Diplomatic, Official and Social Usage. Englewood Cliffs, N.J. : Prentice-Hall, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.