Ang, K. P. (1978). A geographical and socio-economic study of the paddy cultivation in Sekinchang, Selangor, Peninsular Malaysia. Dept. of Geography, Nanyang University.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)Ang, Koh Ping. A Geographical and Socio-economic Study of the Paddy Cultivation in Sekinchang, Selangor, Peninsular Malaysia. Dept. of Geography, Nanyang University, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.