APA-referens (7:e uppl.)

BALAGURUSAMY E. (2004). NUMERICAL METHODS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago-referens (17:e uppl.)

BALAGURUSAMY E. NUMERICAL METHODS. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2004.

MLA-referens (9:e uppl.)

BALAGURUSAMY E. NUMERICAL METHODS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2004.