Organisation for Economic Co-operation and Development, SourceOECD (Online service), & ProQuest (Firm). (2007). Compilation manual for an index of services production. OECD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOrganisation for Economic Co-operation and Development, SourceOECD (Online service), और ProQuest (Firm). Compilation Manual for an Index of Services Production. Paris, France: OECD, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOrganisation for Economic Co-operation and Development, et al. Compilation Manual for an Index of Services Production. OECD, 2007.
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