Dyfyniad APA

Hagen, H., Hagen, H., & Roller, D. (1991). Geometric modelling: Methods and applications. Springer-Verlag.

Dyfyniad Arddull Chicago

Hagen, H.ed, H. Hagen, and D. Roller. Geometric Modelling: Methods and Applications. Berlin ; New York: Springer-Verlag, 1991.

Dyfyniad MLA

Hagen, H.ed, et al. Geometric Modelling: Methods and Applications. Springer-Verlag, 1991.

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