APA aipamena

NARAYANA, K. L. (1992). ENGINEERING GRAPHICS. TATA MC-GRAW HILL PUBLISHING CO.LTD.

Chicago Style aipamena

NARAYANA, K L. ENGINEERING GRAPHICS. NEW DELHI: TATA MC-GRAW HILL PUBLISHING CO.LTD, 1992.

MLA aipamena

NARAYANA, K L. ENGINEERING GRAPHICS. TATA MC-GRAW HILL PUBLISHING CO.LTD, 1992.