Dyfyniad APA

Ulrich, K. T., & Eppinger, S. D. (1995). Project design and development. McGraw-Hill.

Dyfyniad Arddull Chicago

Ulrich, Karl T., and Steven D. Eppinger. Project Design and Development. New York: McGraw-Hill, 1995.

Dyfyniad MLA

Ulrich, Karl T., and Steven D. Eppinger. Project Design and Development. McGraw-Hill, 1995.

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