Dyfyniad APA

Lefschetz, S. (1963). Differential equations: Geometric theory (2d ed.). New York: Interscience Publishers.

Dyfyniad Arddull Chicago

Lefschetz, Solomon. Differential Equations: Geometric Theory. 2d ed. New York: Interscience Publishers, 1963.

Dyfyniad MLA

Lefschetz, Solomon. Differential Equations: Geometric Theory. 2d ed. New York: Interscience Publishers, 1963.

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