Dyfyniad APA
White, B., Almeida, M., & Jorna, D. (2004). IBM eserver zSeries 990 technical guide (2nd ed.). IBM, International Technical Support Organization.
Dyfyniad Arddull Chicago
White, Bill, Mario Almeida, and Dick Jorna. IBM Eserver ZSeries 990 Technical Guide. 2nd ed. Poughkeepsie, NY: IBM, International Technical Support Organization, 2004.
Dyfyniad MLA
White, Bill, et al. IBM Eserver ZSeries 990 Technical Guide. 2nd ed. IBM, International Technical Support Organization, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.