Cita APA (7th ed.)

J. Thierauf & Robert. (1986). Systems Analysis and Design (N/A.). Charles E. Merrill Publishing.

Cita Chicago (17th ed.)

J. Thierauf i Robert. Systems Analysis and Design. N/A. Columbus, OH: Charles E. Merrill Publishing, 1986.

Cita MLA (9th ed.)

J. Thierauf i Robert. Systems Analysis and Design. N/A. Charles E. Merrill Publishing, 1986.