APA
Kostrowicki J., Szczęsny R., . (1972). Polish agriculture: characteristics, types and regions. Budapest: Akadémiai Kiadó.
Chicago
Kostrowicki Jerzy, Szczęsny Roman, . 1972. Polish agriculture: characteristics, types and regions. Budapest: Akadémiai Kiadó.
Harvard
Kostrowicki J., Szczęsny R., . (1972). Polish agriculture: characteristics, types and regions. Budapest: Akadémiai Kiadó.
MLA
Kostrowicki Jerzy, Szczęsny Roman, . Polish agriculture: characteristics, types and regions. Budapest: Akadémiai Kiadó. 1972.