Birkenhead, S., Carnelia, C., Grant, M., McKibbins, P., Rodgers, M., Schwartz, S., . . . Terkel, S. (1980). Working: Vocal selections. T. Valando Pub. Group.
Lua i Stíl Chicago (17ú heag.)Birkenhead, Susan, Craig Carnelia, Micki Grant, Paul McKibbins, Mary Rodgers, Stephen Schwartz, James Taylor, agus Studs Terkel. Working: Vocal Selections. New York, N.Y.: T. Valando Pub. Group, 1980.
Lua MLA (9ú heag.)Birkenhead, Susan, et al. Working: Vocal Selections. T. Valando Pub. Group, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.