Virtanen, T. (1999). Patterns in the ecology of herbivorous insects in northern areas explained by regional or local climate. Turun Yliopisto.
Chicago-Zitierstil (17. Ausg.)Virtanen, Tarmo. Patterns in the Ecology of Herbivorous Insects in Northern Areas Explained by Regional or Local Climate. Turku: Turun Yliopisto, 1999.
MLA-Zitierstil (9. Ausg.)Virtanen, Tarmo. Patterns in the Ecology of Herbivorous Insects in Northern Areas Explained by Regional or Local Climate. Turun Yliopisto, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.