American Documentation Institute & American Society for Information Science. (1950). American documentation. American Documentation Institute.
Dyfyniad Arddull ChicagoAmerican Documentation Institute and American Society for Information Science. American Documentation. Washington, D.C.: American Documentation Institute, 1950.
Dyfyniad MLAAmerican Documentation Institute and American Society for Information Science. American Documentation. American Documentation Institute, 1950.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.