APA (7. basım) Alıntı

Groeg, O. J. (1979). Who's who in technology. Who's who Book u. Publ. Ges..

Chicago Style (17. basım) Atıf

Groeg, Otto J. Who's Who in Technology. Wörthsee b. München: Who's who Book u. Publ. Ges., 1979.

MLA (8th ed.) Atıf

Groeg, Otto J. Who's Who in Technology. Who's who Book u. Publ. Ges., 1979.