linkedin.com (Firm), Lotardo, E., & Earle McLeod, L. (2017). Craft Your Sales Pitch with Competitive Differentiation. linkedin.com.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रlinkedin.com (Firm), Elizabeth Lotardo, और Lisa Earle McLeod. Craft Your Sales Pitch with Competitive Differentiation. Carpenteria, CA: linkedin.com, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रlinkedin.com (Firm), et al. Craft Your Sales Pitch with Competitive Differentiation. linkedin.com, 2017.
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