edited by Michael Novak
Charles Scribner's Sons, 1968
Buku Teks SO
Blau, Joseph L.
Prentice-Hall, 1965
Buku Teks SO
Blau, Joseph L.
Prentice-Hall, 1958
Buku Teks SO
Bayu Kristianto, reviewer
VDM Verlag Dr. Muller, 2009
Buku Teks SO
Susana Nuccetelli, Ofelia Schutte, Otavio Bueno
Wiley, 2013
Buku Teks SO