HarperCollins, Fitter, R., & Manuel, R. (1995). Lakes, rivers streams and ponds: Of Britain and North-West Europe. HarperCollins.
Παραπομπή σε μορφή Chicago (17η εκδ.)HarperCollins, R. Fitter, και R. Manuel. Lakes, Rivers Streams and Ponds: Of Britain and North-West Europe. London: HarperCollins, 1995.
Παραπομπή σε μορφή MLA (8th εκδ.)HarperCollins, et al. Lakes, Rivers Streams and Ponds: Of Britain and North-West Europe. HarperCollins, 1995.
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