Dyfyniad APA

Pare ,E. G., Loving, R. O., & Hill, I. L. (1977). Descriptive geometry metric.-5th ed (5th ed.). Macmillan.

Dyfyniad Arddull Chicago

Pare ,E. G., R. O. Loving, and Ivan Leroy Hill. Descriptive Geometry Metric.-5th Ed. 5th ed. New York: Macmillan, 1977.

Dyfyniad MLA

Pare ,E. G., et al. Descriptive Geometry Metric.-5th Ed. 5th ed. Macmillan, 1977.

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