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.
Чикаго стиль цитування (17-те видання)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.
Стиль цитування MLA (9-ме видання)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.