Smetana, Frederick O.
McGraw-Hill, 1984
Buku Teks
Russell, J.B.
Arnold, 1996
Buku Teks
Perkins, Courtland D., author
John Wiley & Sons, 1949
Buku Teks
Hoit, Marc, author
Prentice-Hall, 1995
Buku Teks
Andannytia Kinasih, author
Universitas Indonesia, 2013
UI - Skripsi (Membership)