Roberto, N. (2002). Strategic market segmentation: How to market to the rich, the middle class and the "masa". Lifecycle Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoberto, Ned. Strategic Market Segmentation: How to Market to the Rich, the Middle Class and the "Masa". Makati City: Lifecycle Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRoberto, Ned. Strategic Market Segmentation: How to Market to the Rich, the Middle Class and the "Masa". Lifecycle Press, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.