(1993). Scientific and technical books and serials in print. 1994. Vol. 1. Books - subject index (21st ed.). R. R. Bowker.
Chicago-Zitierstil (17. Ausg.)Scientific and Technical Books and Serials in Print. 1994. Vol. 1. Books - Subject Index. 21st ed. New Providence: R. R. Bowker, 1993.
MLA-Zitierstil (9. Ausg.)Scientific and Technical Books and Serials in Print. 1994. Vol. 1. Books - Subject Index. 21st ed. R. R. Bowker, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.