Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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