Cita APA (7th ed.)

Pippenger, J. J., & Koff, R. M. (1959). Fluid-power controls. McGrw-Hill.

Cita Chicago (17th ed.)

Pippenger, John Junior, i R. M. Koff. Fluid-power Controls. New York: McGrw-Hill, 1959.

Cita MLA (8th ed.)

Pippenger, John Junior, i R. M. Koff. Fluid-power Controls. McGrw-Hill, 1959.