Nicholson, E. (1968). Handbook to the conservation section of the international biological programme. Conservation of Terrestrial Biological Communities.
Chicago Style (17. basım) AtıfNicholson, E.M. Handbook to the Conservation Section of the International Biological Programme. London: Conservation of Terrestrial Biological Communities, 1968.
MLA (9th ed.) AtıfNicholson, E.M. Handbook to the Conservation Section of the International Biological Programme. Conservation of Terrestrial Biological Communities, 1968.
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