Saphire Trading Limited (UK). (1998). Y2K business survival manual: How to beat the year 2000 "millenium bug" and increase your market share. GMF International.
Παραπομπή σε μορφή Chicago (17η εκδ.)Saphire Trading Limited (UK). Y2K Business Survival Manual: How to Beat the Year 2000 "Millenium Bug" and Increase Your Market Share. Bulleen, Vic.: GMF International, 1998.
Παραπομπή σε μορφή MLA (8th εκδ.)Saphire Trading Limited (UK). Y2K Business Survival Manual: How to Beat the Year 2000 "Millenium Bug" and Increase Your Market Share. GMF International, 1998.
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