APA استشهاد

Daniels, A., & Yeates, D. (1992). Basic systems analysis. Galgotia.

استشهاد بنمط شيكاغو

Daniels, Alan, و Don Yeates. Basic Systems Analysis. New Delhi: Galgotia, 1992.

MLA استشهاد

Daniels, Alan, و Don Yeates. Basic Systems Analysis. Galgotia, 1992.