Sullivan, W. H. (1984). Obligato 1939-1979 notes on a foreign service career. W. W. Norton.
Chicago-čujuhus (17. p.)Sullivan, William H. Obligato 1939-1979 Notes on a Foreign Service Career. W. W. Norton, 1984.
MLA-čujuhus (9. p.)Sullivan, William H. Obligato 1939-1979 Notes on a Foreign Service Career. W. W. Norton, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.