BENTLEY, R. (1992). Research and technology in the former German DemocraticRepublic. Westview.
Chicago-viite (17. p.)BENTLEY, Raymond. Research and Technology in the Former German DemocraticRepublic. Boulder: Westview, 1992.
MLA-viite (9. p.)BENTLEY, Raymond. Research and Technology in the Former German DemocraticRepublic. Westview, 1992.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.