Cita APA (7a ed.)

Heggie, L. A. (1988). The syntax of copular structures. University of Southern California.

Cita Chicago Style (17a ed.)

Heggie, Lorie A. The Syntax of Copular Structures. Los Angeles: University of Southern California, 1988.

Cita MLA (9a ed.)

Heggie, Lorie A. The Syntax of Copular Structures. University of Southern California, 1988.