International Symposium on Biological Control of Weeds Rom. (1973). Proceedings of the Second International Symposium on Biological Control of Weeds: October 1971 (1. publ.).
Chicago-Zitierstil (17. Ausg.)International Symposium on Biological Control of Weeds Rom. Proceedings of the Second International Symposium on Biological Control of Weeds: October 1971. 1. publ. Farnham Royal, 1973.
MLA-Zitierstil (9. Ausg.)International Symposium on Biological Control of Weeds Rom. Proceedings of the Second International Symposium on Biological Control of Weeds: October 1971. 1. publ. 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.