Lua APA (7ú heag.)

SUBRAMANYAM A. (1982). SYSTEMS ANALYSIS AND DATA PROCESSING (2.). A H WHEELER & CO.

Lua i Stíl Chicago (17ú heag.)

SUBRAMANYAM A. SYSTEMS ANALYSIS AND DATA PROCESSING. 2. ALLAHABAD: A H WHEELER & CO, 1982.

Lua MLA (9ú heag.)

SUBRAMANYAM A. SYSTEMS ANALYSIS AND DATA PROCESSING. 2. A H WHEELER & CO, 1982.

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