APA-Zitierstil (7. Ausg.)

Orell, M. (1983). Breeding and mortality in the Great Tit Parus major and the Willow Tit P. montanus: In Oulu, northern Finland. Univ.

Chicago-Zitierstil (17. Ausg.)

Orell, Markku. Breeding and Mortality in the Great Tit Parus Major and the Willow Tit P. Montanus: In Oulu, Northern Finland. Oulu: Univ, 1983.

MLA-Zitierstil (9. Ausg.)

Orell, Markku. Breeding and Mortality in the Great Tit Parus Major and the Willow Tit P. Montanus: In Oulu, Northern Finland. Univ, 1983.