Lua APA (7ú heag.)
Kett, A. (1998). Passport Singapore: Your pocket guide to Singaporean business, customs & etiquette. World Trade Press.
Lua i Stíl Chicago (17ú heag.)
Kett, Alexandra. Passport Singapore: Your Pocket Guide to Singaporean Business, Customs & Etiquette. San Rafael, CA: World Trade Press, 1998.
Lua MLA (9ú heag.)
Kett, Alexandra. Passport Singapore: Your Pocket Guide to Singaporean Business, Customs & Etiquette. World Trade Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.