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.
Cytowanie według stylu Chicago (wyd. 17)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.
Cytowanie według stylu MLA (wyd. 9)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.