Lysaght, A. M. (1959). Directory of natural history and other field study societies in Great Britain: Including societies for archaeology, astronomy, meteorology, geology and cognate subjects. British Association for the Advancement of Science.
Citazione stile Chigago Style (17a edizione)Lysaght, Averil Margaret. Directory of Natural History and Other Field Study Societies in Great Britain: Including Societies for Archaeology, Astronomy, Meteorology, Geology and Cognate Subjects. London: British Association for the Advancement of Science, 1959.
Citatione MLA (9a ed.)Lysaght, Averil Margaret. Directory of Natural History and Other Field Study Societies in Great Britain: Including Societies for Archaeology, Astronomy, Meteorology, Geology and Cognate Subjects. British Association for the Advancement of Science, 1959.