Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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