Barron, J. (1974). KGB: The secret work of Soviet secret agents. Reader's Digest Press.
Chicago ZitierstilBarron, John. KGB: The Secret Work of Soviet Secret Agents. New York: Reader's Digest Press, 1974.
MLA ZitierstilBarron, John. KGB: The Secret Work of Soviet Secret Agents. Reader's Digest Press, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.