Não informado. (2003). Fibre industries and cordage world. Wheatland Journals.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Fibre Industries and Cordage World. London: Wheatland Journals, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Fibre Industries and Cordage World. Wheatland Journals, 2003.
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