Lua APA (7ú heag.)
Pennington, F. C. (1980). Assessing educational needs of adults. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)
Pennington, Floyd C. Assessing Educational Needs of Adults. San Francisco: Jossey-Bass, 1980.
Lua MLA (9ú heag.)
Pennington, Floyd C. Assessing Educational Needs of Adults. Jossey-Bass, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.