Preobraženskij, V. S. (1982). Recreational geography of the USSR ([English translation; translated from the Russian].). Progress Publishers.
Chicago-Zitierstil (17. Ausg.)Preobraženskij, Vladimir Sergeevič. Recreational Geography of the USSR. [English translation; translated from the Russian]. Moscow: Progress Publishers, 1982.
MLA-Zitierstil (9. Ausg.)Preobraženskij, Vladimir Sergeevič. Recreational Geography of the USSR. [English translation; translated from the Russian]. Progress Publishers, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.