Kolowski, J. G., & Oleksy, W. G. (1987). Complete guide to cost-effective employee benefit program.
Lua i Stíl Chicago (17ú heag.)Kolowski, Joseph G., agus Walter G. Oleksy. Complete Guide to Cost-effective Employee Benefit Program. Englewood Cliffs, New Jersey, Prentice Hall, Inc, 1987.
Lua MLA (9ú heag.)Kolowski, Joseph G., agus Walter G. Oleksy. Complete Guide to Cost-effective Employee Benefit Program. 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.