Homans, George Caspar, 1910-1989, author
Transactions Books, 1984
Buku Teks
Wisner, Franz, author
Serambi Ilmu Semesta, 2012
Buku Teks
Cobb, Ty.
Doubleday,, 1961
Buku Teks
Powell, Colin L., author
Angkasa, 2001
Buku Teks
Pausch, Randy, author
Hodder & Stoughton, 2008
Buku Teks