Cita APA (7a ed.)

Amadio, W., & Amadio, C. (1990). Systems development projects. Mitchell McGraw-Hill.

Cita Chicago Style (17a ed.)

Amadio, William, y Camille Amadio. Systems Development Projects. New York [etc.]: Mitchell McGraw-Hill, 1990.

Cita MLA (9a ed.)

Amadio, William, y Camille Amadio. Systems Development Projects. Mitchell McGraw-Hill, 1990.