Cita APA (7a ed.)
(1990). 1990 population and housing census: Changwat Khon Kaen. National Statistical Office.
Cita Chicago Style (17a ed.)
1990 Population and Housing Census: Changwat Khon Kaen. Bangkok: National Statistical Office, 1990.
Cita MLA (9a ed.)
1990 Population and Housing Census: Changwat Khon Kaen. National Statistical Office, 1990.
Precaución: Estas citas no son 100% exactas.