Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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