Παραπομπή σε μορφή APA (7η εκδ.)

Steubing, L. (1982). Monitoring of air pollutants by plants .Methods and problems:: Proceedings of the International Workshop, Osnabruck, September 24-25, 1981. Dr W. Junk.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Steubing, Lore. Monitoring of Air Pollutants by Plants .Methods and Problems:: Proceedings of the International Workshop, Osnabruck, September 24-25, 1981. Boston: Dr W. Junk, 1982.

Παραπομπή σε μορφή MLA (9th εκδ.)

Steubing, Lore. Monitoring of Air Pollutants by Plants .Methods and Problems:: Proceedings of the International Workshop, Osnabruck, September 24-25, 1981. Dr W. Junk, 1982.