Goh, T. W. (1979). Importers' & exporters' handbook. Rank Books.
Lua i Stíl Chicago (17ú heag.)Goh, Tian Wah. Importers' & Exporters' Handbook. Singapore: Rank Books, 1979.
Lua MLA (8ú heag.)Goh, Tian Wah. Importers' & Exporters' Handbook. Rank Books, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.