Merkoša sitáhtat

APA-čujuhus (7. p.)
National Academy of Engineering & ebrary, Inc. (1979). Memorial tributes. The Academy.
Chicago-čujuhus (17. p.)
National Academy of Engineering juo Inc ebrary. Memorial Tributes. Washington, D.C.: The Academy, 1979.
MLA-čujuhus (9. p.)
National Academy of Engineering juo Inc ebrary. Memorial Tributes. The Academy, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.