Παραπομπή σε μορφή APA (7η εκδ.)

British Trust for Ornithology & Chamberlain, D. E. (1999). The effects of agricultural management on farmland birds. British Trust for Ornithology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

British Trust for Ornithology και D. E. Chamberlain. The Effects of Agricultural Management on Farmland Birds. Thetford: British Trust for Ornithology, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

British Trust for Ornithology και D. E. Chamberlain. The Effects of Agricultural Management on Farmland Birds. British Trust for Ornithology, 1999.