Blalock, Hubert M., author
Prentice-Hall, 1969
Buku Teks
Marlando Wawolumaya, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2011
UI - Tesis (Open)
Nort-Holland Publishing Company, 1973
Buku Teks
Luis Farinas del Cerro, editor
[, Springer-Verlag], 2012
eBooks
Jan van Eijck, editor
[, Springer-Verlag], 2012
eBooks