Não informado. (1948). Books in Print: An index to the publishers trade list annual. R.R. Bowker Company.
Chicago-Zitierstil (17. Ausg.)Não informado. Books in Print: An Index to the Publishers Trade List Annual. New York: R.R. Bowker Company, 1948.
MLA-Zitierstil (8. Ausg.)Não informado. Books in Print: An Index to the Publishers Trade List Annual. R.R. Bowker Company, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.