Não informado. (1968). Key to Turkish Science. Turkish Scientific and Technical Documentation Centre.
Chicago-referens (17:e uppl.)Não informado. Key to Turkish Science. Ankara: Turkish Scientific and Technical Documentation Centre, 1968.
MLA-referens (8:e uppl.)Não informado. Key to Turkish Science. Turkish Scientific and Technical Documentation Centre, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.