Lua APA (7ú heag.)

VADARAJAN. (1999). INTRODUCTION TO SYSTEM DESIGN. SOCIAL BOOK CENTRE.

Lua i Stíl Chicago (17ú heag.)

VADARAJAN. INTRODUCTION TO SYSTEM DESIGN. MUMBAI: SOCIAL BOOK CENTRE, 1999.

Lua MLA (9ú heag.)

VADARAJAN. INTRODUCTION TO SYSTEM DESIGN. SOCIAL BOOK CENTRE, 1999.

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