O'Leary, T., Williams, B., O'Leary, L. McGraw-Hill Computing Essentials. New York: McGraw-Hill Publ. Co., 1990 XXIV, 240 p. 0-07-047874-0.
O'Leary, T., Williams, B., O'Leary, L. McGraw-Hill Computing Essentials. New York: McGraw-Hill Publ. Co., 1990 XXIV, 240 p. 0-07-047874-0.
O'Leary, T., Williams, B., O'Leary, L. (1990) McGraw-Hill Computing Essentials, New York: McGraw-Hill Publ. Co. XXIV, 240 p. 0-07-047874-0.
O'Leary, T., Williams, B., & O'Leary, L. (1990). McGraw-Hill Computing Essentials. [Учебник]. New York: McGraw-Hill Publ. Co., XXIV, 240 p.
O'Leary T, Williams B, O'Leary L. McGraw-Hill Computing Essentials: [Учебник]. New York: McGraw-Hill Publ. Co.; 1990. p. XXIV, 240 p. ISBN: 0-07-047874-0.