APA-čujuhus (7. p.)
United Nations Postal Administration. Postal Issues of the United Nations 1951-1986.
Chicago-čujuhus (17. p.)
United Nations Postal Administration. Postal Issues of the United Nations 1951-1986.
MLA-čujuhus (9. p.)
United Nations Postal Administration. Postal Issues of the United Nations 1951-1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.