APA-čujuhus (7. p.)
National Research Council (EUA). (1974). ROOFING IN DEVELOPING COUNTRIES: RESEARCH FOR NEW TECHNOLOGIES.
Chicago-čujuhus (17. p.)
National Research Council (EUA). ROOFING IN DEVELOPING COUNTRIES: RESEARCH FOR NEW TECHNOLOGIES. 1974.
MLA-čujuhus (9. p.)
National Research Council (EUA). ROOFING IN DEVELOPING COUNTRIES: RESEARCH FOR NEW TECHNOLOGIES. 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.