Dyfyniad APA

Schell, L. M. (1999). Urbanism, health and biology in industrialised countries. Cambridge Univ..

Dyfyniad Arddull Chicago

Schell, Lawrence M. Urbanism, Health and Biology in Industrialised Countries. London: Cambridge Univ., 1999.

Dyfyniad MLA

Schell, Lawrence M. Urbanism, Health and Biology in Industrialised Countries. Cambridge Univ., 1999.

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