APA
Polish Academy of Sciences ; Institute of Geography, . (1961). Problems of applied geography : proceedings of the Anglo-Polish seminar, Nieborów, September 15-18, 1959. Warszawa: Panstwowe Wydawnictwo Naukowe.
Chicago
Polish Academy of Sciences ; Institute of Geography, . 1961. Problems of applied geography : proceedings of the Anglo-Polish seminar, Nieborów, September 15-18, 1959. Warszawa: Panstwowe Wydawnictwo Naukowe.
Harvard
Polish Academy of Sciences ; Institute of Geography, . (1961). Problems of applied geography : proceedings of the Anglo-Polish seminar, Nieborów, September 15-18, 1959. Warszawa: Panstwowe Wydawnictwo Naukowe.
MLA
Polish Academy of Sciences ; Institute of Geography, . Problems of applied geography : proceedings of the Anglo-Polish seminar, Nieborów, September 15-18, 1959. Warszawa: Panstwowe Wydawnictwo Naukowe. 1961.
