Ahrens, M. R., Bush, N. F., & Easley, R. K. (1955). Laboratory problems for Living chemistry. Ginn.
Lua i Stíl Chicago (17ú heag.)Ahrens, Maurice Russell, Norris F. Bush, agus Ray K. Easley. Laboratory Problems for Living Chemistry. Boston: Ginn, 1955.
Lua MLA (8ú heag.)Ahrens, Maurice Russell, et al. Laboratory Problems for Living Chemistry. Ginn, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.