Παραπομπή APA

Frissel, M. J. (1981). Simulation of nitrogen behaviour of soil plant systems. Centre for agricultural Publishing and Documentation.

Παραπομπή Chicago Style

Frissel, M J. Simulation of Nitrogen Behaviour of Soil Plant Systems. USA: Centre for agricultural Publishing and Documentation, 1981.

Παραπομπή MLA

Frissel, M J. Simulation of Nitrogen Behaviour of Soil Plant Systems. Centre for agricultural Publishing and Documentation, 1981.