APA (7e ed.) Bronvermelding

Pettersson, B. (1984). Ecology of an isolated population of the middle spotted woodpecker, Dendrocopos medius (L.), in the extinction phase =: En isolerad mellanspettpopulations ekologi under utdöendefasen. Swedish University of Agricultural Sciences, Dept. of Wildlife Ecology.

Chicago (17e ed.) Bronvermelding

Pettersson, Börje. Ecology of an Isolated Population of the Middle Spotted Woodpecker, Dendrocopos Medius (L.), in the Extinction Phase =: En Isolerad Mellanspettpopulations Ekologi Under Utdöendefasen. Uppsala: Swedish University of Agricultural Sciences, Dept. of Wildlife Ecology, 1984.

MLA (8e ed.) Bronvermelding

Pettersson, Börje. Ecology of an Isolated Population of the Middle Spotted Woodpecker, Dendrocopos Medius (L.), in the Extinction Phase =: En Isolerad Mellanspettpopulations Ekologi Under Utdöendefasen. Swedish University of Agricultural Sciences, Dept. of Wildlife Ecology, 1984.