"HARRINGTON S, . (1987). COMPUTER GRAPHICS: A PROGRAMMING APPROACH. NEW YORK: MCGRAW-HILL BOOK COMPANY.
"HARRINGTON S, . 1987. COMPUTER GRAPHICS: A PROGRAMMING APPROACH. NEW YORK: MCGRAW-HILL BOOK COMPANY.
"HARRINGTON S, . COMPUTER GRAPHICS: A PROGRAMMING APPROACH. NEW YORK: MCGRAW-HILL BOOK COMPANY. 1987.