Mah. State Board of Sec Ed. (1973). Chamber`s Encyclopedia Vol- XI. International Leaving Systems co. Ltd.
Chicago-čujuhus (17. p.)Mah. State Board of Sec Ed. Chamber`s Encyclopedia Vol- XI. London: International Leaving Systems co. Ltd, 1973.
MLA-čujuhus (9. p.)Mah. State Board of Sec Ed. Chamber`s Encyclopedia Vol- XI. International Leaving Systems co. Ltd, 1973.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.