APA
Plit J., . (1981). The map of potential natural vegetation as a basis for comparative studies and geobotanical regionalization. [Warszawa: s.n.].
Chicago
Plit Joanna, . 1981. The map of potential natural vegetation as a basis for comparative studies and geobotanical regionalization. [Warszawa: s.n.].
Harvard
Plit J., . (1981). The map of potential natural vegetation as a basis for comparative studies and geobotanical regionalization. [Warszawa: s.n.].
MLA
Plit Joanna, . The map of potential natural vegetation as a basis for comparative studies and geobotanical regionalization. [Warszawa: s.n.]. 1981.