Não informado. (2016). Underwater Contractor International. Resort Marketing & Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Underwater Contractor International. Portland, Inglaterra: Resort Marketing & Publishing, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Underwater Contractor International. Resort Marketing & Publishing, 2016.
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