Corman, Calvin W.
Commercial law : cases and material
Little,Brown and Company, 1983
 Buku Teks
Whaley, Douglas J.
Problems and materials on consumer law: teacher's manual
Little, Brown and Company, 1991
 Buku Teks
Jones, Leo
Let's talk 2 : teacher's manual
cambridge University Press , 2009
 Buku Teks
Jones, Leo
Let's talk 1 : Teacher's manual
Cambridge University Press , 2011
 Buku Teks
Clynes, A.J.
English for the life sciences : teacher's manual
International Development Program of Australian Universities, 1985
 Buku Teks