APA
Ryszkowski L., Wicherek S., . (1997). Ecological Management of Countryside in Poland and France: Proceedings of the Conference held in Poznan-Turew November 7-10, 1995. Poznan: Bonami Wydawnictwo - Drukarnia.
Chicago
Ryszkowski Lech, Wicherek Stanislas, . 1997. Ecological Management of Countryside in Poland and France: Proceedings of the Conference held in Poznan-Turew November 7-10, 1995. Poznan: Bonami Wydawnictwo - Drukarnia.
Harvard
Ryszkowski L., Wicherek S., . (1997). Ecological Management of Countryside in Poland and France: Proceedings of the Conference held in Poznan-Turew November 7-10, 1995. Poznan: Bonami Wydawnictwo - Drukarnia.
MLA
Ryszkowski Lech, Wicherek Stanislas, . Ecological Management of Countryside in Poland and France: Proceedings of the Conference held in Poznan-Turew November 7-10, 1995. Poznan: Bonami Wydawnictwo - Drukarnia. 1997.