Cheong, H. L. (2011). Environmental knowledge, attitudes, and behaviours: A cross cultural study of Malaysian consumers / Cheong Hui Lu.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCheong, Hui Lu. Environmental Knowledge, Attitudes, and Behaviours: A Cross Cultural Study of Malaysian Consumers / Cheong Hui Lu. 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCheong, Hui Lu. Environmental Knowledge, Attitudes, and Behaviours: A Cross Cultural Study of Malaysian Consumers / Cheong Hui Lu. 2011.
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