APA-čujuhus (7. p.)
Rosa, F. (1985). Water treatment specification manual.
Chicago-čujuhus (17. p.)
Rosa, Frank. Water Treatment Specification Manual. 1985.
MLA-čujuhus (9. p.)
Rosa, Frank. Water Treatment Specification Manual. 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.