Παραπομπή σε μορφή APA (7η εκδ.)

British Trust for Ornithology & Institute of Arable Crops Research. Rothamsted. (1995). The effect of organic farming regimes on breeding and winter bird populations. British Trust for Ornithology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

British Trust for Ornithology και Institute of Arable Crops Research. Rothamsted. The Effect of Organic Farming Regimes on Breeding and Winter Bird Populations. Thetford: British Trust for Ornithology, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

British Trust for Ornithology και Institute of Arable Crops Research. Rothamsted. The Effect of Organic Farming Regimes on Breeding and Winter Bird Populations. British Trust for Ornithology, 1995.