American behavioral scientist
Sage Publications, 1973
 Majalah, Jurnal, Buletin
Auser, Cortland P.
Nathaniel P. Willis /Cortland P.Auser
Twayne, 1969
 Buku Teks SO
Bueche, Frederick J.
Introduction to physics for scientist and engineers
McGraw-Hill, 1980
 Buku Teks SO
Sontheimer, Kurt
Thomas Mann und die Deuschen
Fishcher Bucherei 1965
 Buku Teks
Blunden, Edmund
Thomas Hardy
Macmillan's Pocket Lib., 1951
 Buku Teks SO