linkedin.com (Firm) & Long, B. (2013). Photography Foundations: Macro and Close-Up. linkedin.com.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रlinkedin.com (Firm) और Ben Long. Photography Foundations: Macro and Close-Up. Carpenteria, CA: linkedin.com, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रlinkedin.com (Firm) और Ben Long. Photography Foundations: Macro and Close-Up. linkedin.com, 2013.
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