Roberto, N. (2002). Strategic market segmentation: How to market to the rich, the middle class and the "masa". Lifecycle Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Roberto, Ned. Strategic Market Segmentation: How to Market to the Rich, the Middle Class and the "Masa". Makati City: Lifecycle Press, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)Roberto, Ned. Strategic Market Segmentation: How to Market to the Rich, the Middle Class and the "Masa". Lifecycle Press, 2002.
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