edited by James J. O'Brien, Robert G. Zilly
McGraw-Hill, 1971
Buku Referensi
Nunnally, Stephen. W., 1927-, author
Prentice-Hall, 1993
Buku Teks
El-Reedy, Mohamed, author
Wiley , 2011
Buku Teks
Topo Adi Syaputra, author
Fakultas Teknik Universitas Indonesia, 2022
UI - Tesis Membership
Robert F. Cushman [and others]
McGraw-Hill, 1983
Buku Teks