387594 McCaffree, M. J., & Innis, P. (1977). Protocol: The complete handbook of diplomatic, official and social usage. Englewood Cliffs, N.J. : Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)387594 McCaffree, Mary Jane, agus Pauline Innis. Protocol: The Complete Handbook of Diplomatic, Official and Social Usage. Englewood Cliffs, N.J. : Prentice-Hall, 1977.
Lua MLA (9ú heag.)387594 McCaffree, Mary Jane, agus Pauline Innis. Protocol: The Complete Handbook of Diplomatic, Official and Social Usage. Englewood Cliffs, N.J. : Prentice-Hall, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.