Dyfyniad APA

Lomen, D., & Mark, J. (1988). Differential equations. Prentice-Hall.

Dyfyniad Arddull Chicago

Lomen, David, and James Mark. Differential Equations. Englewood Cliffs, N.J.: Prentice-Hall, 1988.

Dyfyniad MLA

Lomen, David, and James Mark. Differential Equations. Prentice-Hall, 1988.

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