APA-referens (7:e uppl.)

Singapore. Dept. of Statistics. (1978). Report on survey of households, April 1977. Dept. of Statistics.

Chicago-referens (17:e uppl.)

Singapore. Dept. of Statistics. Report on Survey of Households, April 1977. Singapore: Dept. of Statistics, 1978.

MLA-referens (8:e uppl.)

Singapore. Dept. of Statistics. Report on Survey of Households, April 1977. Dept. of Statistics, 1978.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.