WARREN, T. L. (1985). Technical Writing Purpose, Process, And Form Thomas L. Warren. Wadsworth.
Lua i Stíl Chicago (17ú heag.)WARREN, Thomas L. Technical Writing Purpose, Process, And Form Thomas L. Warren. Wadsworth, 1985.
Lua MLA (8ú heag.)WARREN, Thomas L. Technical Writing Purpose, Process, And Form Thomas L. Warren. Wadsworth, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.