Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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