Dyfyniad APA

Economy and Sociology | National Institute for Economic Research. Cambridge University Press.

Dyfyniad Arddull Chicago

Economy and Sociology | National Institute for Economic Research. Cambridge University Press.

Dyfyniad MLA

Economy and Sociology | National Institute for Economic Research. Cambridge University Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.