Soviet-Polish Geographical Seminar. (1977). Urbanization and settlement: Proceedings of the second Soviet-Polish Geographical Seminar, Moscow and Leningrad, June 1974. P.N.W.-Polish Scientific Publishers.
Chicago-viite (17. p.)Soviet-Polish Geographical Seminar. Urbanization and Settlement: Proceedings of the Second Soviet-Polish Geographical Seminar, Moscow and Leningrad, June 1974. Warszawa: P.N.W.-Polish Scientific Publishers, 1977.
MLA-viite (8. p.)Soviet-Polish Geographical Seminar. Urbanization and Settlement: Proceedings of the Second Soviet-Polish Geographical Seminar, Moscow and Leningrad, June 1974. P.N.W.-Polish Scientific Publishers, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.