Dyfyniad APA
ÖSTBERG, V., & VAGERO, D. (1991). SOCIO-ECONOMIC DIFFERENCES IN MORTALITY AMONG CHILDREN. DO THEY PERSIST INTO ADULTHOOD?
Dyfyniad Arddull Chicago
ÖSTBERG, V., and D. VAGERO. SOCIO-ECONOMIC DIFFERENCES IN MORTALITY AMONG CHILDREN. DO THEY PERSIST INTO ADULTHOOD? 1991.
Dyfyniad MLA
ÖSTBERG, V., and D. VAGERO. SOCIO-ECONOMIC DIFFERENCES IN MORTALITY AMONG CHILDREN. DO THEY PERSIST INTO ADULTHOOD? 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.