Hubbard, C. E. (1985). Grasses: A guide to their structure, identification, uses, and distribution in the British Isles (3. edition, Reprinted.). Penguin.
Chicago-Zitierstil (17. Ausg.)Hubbard, Charles Edward. Grasses: A Guide to Their Structure, Identification, Uses, and Distribution in the British Isles. 3. edition, Reprinted. Harmondsworth, Middlesex: Penguin, 1985.
MLA-Zitierstil (9. Ausg.)Hubbard, Charles Edward. Grasses: A Guide to Their Structure, Identification, Uses, and Distribution in the British Isles. 3. edition, Reprinted. Penguin, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.