Pippenger, J. J., & Koff, R. M. (1959). Fluid-power controls. McGrw-Hill.
Lua i Stíl Chicago (17ú heag.)Pippenger, John Junior, agus R. M. Koff. Fluid-power Controls. New York: McGrw-Hill, 1959.
Lua MLA (8ú heag.)Pippenger, John Junior, agus R. M. Koff. Fluid-power Controls. McGrw-Hill, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.