Dyfyniad APA

Scientific Committee on Problems of the Environment, Holdgate, M. W., & White, G. F. (1977). Environmental issues. Wiley.

Dyfyniad Arddull Chicago

Scientific Committee on Problems of the Environment, Martin W. Holdgate, and Gilbert F. White. Environmental Issues. London: Wiley, 1977.

Dyfyniad MLA

Scientific Committee on Problems of the Environment, et al. Environmental Issues. Wiley, 1977.

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