Dyfyniad APA

Bateman, M., & Riley, R. (1987). The geography of defence.

Dyfyniad Arddull Chicago

Bateman, Michael, and Raymond Riley. The Geography of Defence. London, Croom Helm, 1987.

Dyfyniad MLA

Bateman, Michael, and Raymond Riley. The Geography of Defence. 1987.

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