APA (7e ed.) Bronvermelding

Källander, H. (1983). Aspects of the breeding biology, migratory movements, winter survival, and population fluctuations in the Great Tit, Parus major, and the Blue Tit, P. caeruleus. Lunds universitet.

Chicago (17e ed.) Bronvermelding

Källander, Hans. Aspects of the Breeding Biology, Migratory Movements, Winter Survival, and Population Fluctuations in the Great Tit, Parus Major, and the Blue Tit, P. Caeruleus. Sweden: Lunds universitet, 1983.

MLA (8e ed.) Bronvermelding

Källander, Hans. Aspects of the Breeding Biology, Migratory Movements, Winter Survival, and Population Fluctuations in the Great Tit, Parus Major, and the Blue Tit, P. Caeruleus. Lunds universitet, 1983.