Ang, K. P. (1978). A geographical and socio-economic study of the paddy cultivation in Sekinchang, Selangor, Peninsular Malaysia. Dept. of Geography, Nanyang University.
Chicago-viite (17. p.)Ang, Koh Ping. A Geographical and Socio-economic Study of the Paddy Cultivation in Sekinchang, Selangor, Peninsular Malaysia. [Singapore]: Dept. of Geography, Nanyang University, 1978.
MLA-viite (8. p.)Ang, Koh Ping. A Geographical and Socio-economic Study of the Paddy Cultivation in Sekinchang, Selangor, Peninsular Malaysia. Dept. of Geography, Nanyang University, 1978.
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