Dyfyniad APA

E F Bruenig. (1986). Ecologic-socioeconomic system analysis and simulation. Germany: Institute for World Forestry and Ecology.

Dyfyniad Arddull Chicago

E F Bruenig. Ecologic-socioeconomic System Analysis and Simulation. Germany: Institute for World Forestry and Ecology, 1986.

Dyfyniad MLA

E F Bruenig. Ecologic-socioeconomic System Analysis and Simulation. Germany: Institute for World Forestry and Ecology, 1986.

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