APA-referens (7:e uppl.)

(1972). Simulation of machines for the continuous felling of trees / by R.M. Newnham.

Chicago-referens (17:e uppl.)

Simulation of Machines for the Continuous Felling of Trees / by R.M. Newnham. 1972.

MLA-referens (9:e uppl.)

Simulation of Machines for the Continuous Felling of Trees / by R.M. Newnham. 1972.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.