Cita APA (7th ed.)

SEMPREVIVO PHILIP G. (1982). SYSTEMS ANALYSIS.DEFINATIONS PROCESS AND DESIGN (2ND.). SCIENCE RESEARCH.

Cita Chicago (17th ed.)

SEMPREVIVO PHILIP G. SYSTEMS ANALYSIS.DEFINATIONS PROCESS AND DESIGN. 2ND. I B M: SCIENCE RESEARCH, 1982.

Cita MLA (9th ed.)

SEMPREVIVO PHILIP G. SYSTEMS ANALYSIS.DEFINATIONS PROCESS AND DESIGN. 2ND. SCIENCE RESEARCH, 1982.