Cita APA (7th ed.)

Squire, E. (1980). Introducing... systems design. Addison-Wesley.

Cita Chicago (17th ed.)

Squire, Enid. Introducing... Systems Design. Reading: Addison-Wesley, 1980.

Cita MLA (9th ed.)

Squire, Enid. Introducing... Systems Design. Addison-Wesley, 1980.