Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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