Ginzberg, Eli
McGraw-Hill , 1966
Buku Teks
Aiken, Linda H., author
J.B. Lippincott , 1982
Buku Teks
Rutstein, David D.
The Massachusett Institute of Technology, 1967
Buku Teks
Cherry, Barbara, author
Elsevier Mosby, 2011
Buku Teks
Oxford University Press , 1990
Buku Teks