Wong, F. L. (1997). A study of quality culture in the Department of Environment / Wong Fong Lai.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWong, Fong Lai. A Study of Quality Culture in the Department of Environment / Wong Fong Lai. 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWong, Fong Lai. A Study of Quality Culture in the Department of Environment / Wong Fong Lai. 1997.
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