National Academy of Engineering & ebrary, Inc. (2011). Memorial tributes. National Academies Press.
Citazione stile Chigago Style (17a edizione)National Academy of Engineering e Inc ebrary. Memorial Tributes. Washington: National Academies Press, 2011.
Citatione MLA (9a ed.)National Academy of Engineering e Inc ebrary. Memorial Tributes. National Academies Press, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.