Keys, T. E. (1944). IN FURTHERANCE OF RESEARCH; FREE MICROFILM COPYING.
Chicago Style aipamenaKeys, Thomas E. IN FURTHERANCE OF RESEARCH; FREE MICROFILM COPYING. 1944.
MLA aipamenaKeys, Thomas E. IN FURTHERANCE OF RESEARCH; FREE MICROFILM COPYING. 1944.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.