Dyfyniad APA

(1980). Collected results of the studies on artificial food chains. [Germany].

Dyfyniad Arddull Chicago

Collected Results of the Studies On Artificial Food Chains. [Germany], 1980.

Dyfyniad MLA

Collected Results of the Studies On Artificial Food Chains. [Germany], 1980.

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