Cita APA (7a ed.)

Davis, A. M. (1990). Software requirements: Analysis and specification. Prentice Hall.

Cita Chicago Style (17a ed.)

Davis, Alan M. Software Requirements: Analysis and Specification. New Jersey: Prentice Hall, 1990.

Cita MLA (9a ed.)

Davis, Alan M. Software Requirements: Analysis and Specification. Prentice Hall, 1990.