(1979). Methods for collecting and analysis task analysis data / A. John Eschenbrenner [and others], McDonnell Douglas Astronautics Company.
Chicago-čujuhus (17. p.)Methods for Collecting and Analysis Task Analysis Data / A. John Eschenbrenner [and Others], McDonnell Douglas Astronautics Company. 1979.
MLA-čujuhus (9. p.)Methods for Collecting and Analysis Task Analysis Data / A. John Eschenbrenner [and Others], McDonnell Douglas Astronautics Company. 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.