Παραπομπή σε μορφή APA (7η εκδ.)

British Trust for Ornithology. (1997). A case study of the impacts of pipeline construction on bird distribution in the Duddon Estuary: Part II: post construction, winter 1993/94. BTO, The National Center of Ornithology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

British Trust for Ornithology. A Case Study of the Impacts of Pipeline Construction on Bird Distribution in the Duddon Estuary: Part II: Post Construction, Winter 1993/94. Norfolk: BTO, The National Center of Ornithology, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

British Trust for Ornithology. A Case Study of the Impacts of Pipeline Construction on Bird Distribution in the Duddon Estuary: Part II: Post Construction, Winter 1993/94. BTO, The National Center of Ornithology, 1997.