Παραπομπή APA

Daniels, A., & Yeates, D. (1993). Basic systems analysis. - 2nd ed. (2nd ed.). Galgotia publications.

Παραπομπή Chicago Style

Daniels, Alan, και Don Yeates. Basic Systems Analysis. - 2nd Ed. 2nd ed. New Delhi: Galgotia publications, 1993.

Παραπομπή MLA

Daniels, Alan, και Don Yeates. Basic Systems Analysis. - 2nd Ed. 2nd ed. Galgotia publications, 1993.