Dyfyniad APA

Inhaber, H. (1976). Environmental Indices. Wiley Eastern.

Dyfyniad Arddull Chicago

Inhaber, Herbert. Environmental Indices. New York: Wiley Eastern, 1976.

Dyfyniad MLA

Inhaber, Herbert. Environmental Indices. Wiley Eastern, 1976.

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