Sherfield, R. M., & Moody, P. G. (2010). Cornerstone: Opening doors to career success (2nd ed.). Pearson/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Sherfield, Robert M., agus Patricia G. Moody. Cornerstone: Opening Doors to Career Success. 2nd ed. Upper Saddle River, N.J: Pearson/Prentice Hall, 2010.
Lua MLA (9ú heag.)Sherfield, Robert M., agus Patricia G. Moody. Cornerstone: Opening Doors to Career Success. 2nd ed. Pearson/Prentice Hall, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.