APA-Zitierstil (7. Ausg.)

Poore, D., & Gryn-Ambroes, P. (1980). Nature conservation in Northern and Western Europe. IUCN.

Chicago-Zitierstil (17. Ausg.)

Poore, Duncan, und Paule Gryn-Ambroes. Nature Conservation in Northern and Western Europe. Gland, Switzerland: IUCN, 1980.

MLA-Zitierstil (9. Ausg.)

Poore, Duncan, und Paule Gryn-Ambroes. Nature Conservation in Northern and Western Europe. IUCN, 1980.