Dyfyniad APA

Cliff,Andrew D. (1975). Elements of spatial structure. Cambridge University Press.

Dyfyniad Arddull Chicago

Cliff,Andrew D. Elements of Spatial Structure. Cambridge: Cambridge University Press, 1975.

Dyfyniad MLA

Cliff,Andrew D. Elements of Spatial Structure. Cambridge University Press, 1975.

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