APA استشهاد

Smith, D. E. (1977). Quantative Business Analysis. John Wiley.

استشهاد بنمط شيكاغو

Smith, David Eugene. Quantative Business Analysis. SANTA BARBARA: John Wiley, 1977.

MLA استشهاد

Smith, David Eugene. Quantative Business Analysis. John Wiley, 1977.