Ooi Giok Ling. (1978). The geography of socioeconomic health and distress in northwestern peninsular Malaysia. Southeast Population Research Awards Program.
Lua i Stíl Chicago (17ú heag.)Ooi Giok Ling. The Geography of Socioeconomic Health and Distress in Northwestern Peninsular Malaysia. Singapore: Southeast Population Research Awards Program, 1978.
Lua MLA (9ú heag.)Ooi Giok Ling. The Geography of Socioeconomic Health and Distress in Northwestern Peninsular Malaysia. Southeast Population Research Awards Program, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.