Viktorov, S. V. (1964). Short guide to geo-botanical surveying. Pergamon Press [distributed in the Western Hemisphere by Macmillan, New York].
Chicago-viite (17. p.)Viktorov, S. V. Short Guide to Geo-botanical Surveying. Oxford, New York: Pergamon Press [distributed in the Western Hemisphere by Macmillan, New York], 1964.
MLA-viite (8. p.)Viktorov, S. V. Short Guide to Geo-botanical Surveying. Pergamon Press [distributed in the Western Hemisphere by Macmillan, New York], 1964.
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