Bethune, J. D. (1987). Essentials of drafting. Englewood Cliffs, NJ : Prentice-Hall.
Chicago-čujuhus (17. p.)Bethune, James D. Essentials of Drafting. Englewood Cliffs, NJ : Prentice-Hall, 1987.
MLA-čujuhus (9. p.)Bethune, James D. Essentials of Drafting. Englewood Cliffs, NJ : Prentice-Hall, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.