British Trust for Ornithology. (1954). Bird study: The journal of the British Trust for Ornithology. The Trust.
Citazione stile Chigago Style (17a edizione)British Trust for Ornithology. Bird Study: The Journal of the British Trust for Ornithology. Oxford: The Trust, 1954.
Citatione MLA (8a ed.)British Trust for Ornithology. Bird Study: The Journal of the British Trust for Ornithology. The Trust, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.