Styl cytowania APA

Yu, J. W., & Harrison, D. (1987). Dynamics of SUPERCALC4. Dow Jones-Irwin.

Styl cytowania Chicago

Yu, John W., i David Harrison. Dynamics of SUPERCALC4. Illinois: Dow Jones-Irwin, 1987.

Styl cytowania MLA

Yu, John W., i David Harrison. Dynamics of SUPERCALC4. Dow Jones-Irwin, 1987.