Dyfyniad APA

ebrary, Inc, Bushnell, D. M., & Hefner, J. N. (1990). Viscous drag reduction in boundary layers. American Institute of Aeronautics and Astronautics, Inc..

Dyfyniad Arddull Chicago

ebrary, Inc, Dennis M. Bushnell, and Jerry N. Hefner. Viscous Drag Reduction in Boundary Layers. Washington, D.C.: American Institute of Aeronautics and Astronautics, Inc., 1990.

Dyfyniad MLA

ebrary, Inc, et al. Viscous Drag Reduction in Boundary Layers. American Institute of Aeronautics and Astronautics, Inc., 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.