Dyfyniad APA

Birk, W. O. (1949). Structural grammar for building sentences. D.C. Heath.

Dyfyniad Arddull Chicago

Birk, William Otto. Structural Grammar for Building Sentences. Boston: D.C. Heath, 1949.

Dyfyniad MLA

Birk, William Otto. Structural Grammar for Building Sentences. D.C. Heath, 1949.

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