Hubbard, C. E. (1954). Grasses: A guide to their structure, identification, uses and distribution in the British Isles. Clay.
Chicago-Zitierstil (17. Ausg.)Hubbard, Charles Edward. Grasses: A Guide to Their Structure, Identification, Uses and Distribution in the British Isles. Bungay: Clay, 1954.
MLA-Zitierstil (9. Ausg.)Hubbard, Charles Edward. Grasses: A Guide to Their Structure, Identification, Uses and Distribution in the British Isles. Clay, 1954.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.