Knight, PhD, Randall D. (2007). «Fluid Mechanics»(google books). Physics for Scientists and Engineers: A Strategic Approach(en inglés estadounidense) (2nd edición). San Francisco: Pearson Addison Wesley. p. 1183. ISBN978-0-321-51671-8. Consultado el 6 de abril de 2020. «Pressure itself is not a Force, even though we sometimes talk "informally" about the "force exerted by the pressure. The correct statement is that the Fluid exerts a force on a surface. In addition, Pressure is a scalar, not a vector.».