Dyfyniad APA

Wall Work. (1970). Ecology of soil animals. Mc Graw Hill.

Dyfyniad Arddull Chicago

Wall Work. Ecology of Soil Animals. Mc Graw Hill, 1970.

Dyfyniad MLA

Wall Work. Ecology of Soil Animals. Mc Graw Hill, 1970.

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