Joshi, K., Hasan, R., & Asian Development Bank. (2009). Surveys of informal sector enterprises: Some measurement issues. Asian Development Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJoshi, Kaushal, Rana Hasan, और Asian Development Bank. Surveys of Informal Sector Enterprises: Some Measurement Issues. Mandaluyong City: Asian Development Bank, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJoshi, Kaushal, et al. Surveys of Informal Sector Enterprises: Some Measurement Issues. Asian Development Bank, 2009.
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