CAE result / Kathy Gude & Mary Stephens .  Oxford :  Oxford University Press,  2008 .   sv.  
CAE result : student's book
CAE result : workbook resource pack with key

New Matrix : pre-intermediate : / Kathy Gude & Michael Duckworth .  Oxford :  Oxford University Press,  2007 .  3 sv.  
New Matrix : pre-intermediate : teacher's book
New Matrix : pre-intermediate : student's book
New Matrix : pre-intermediate : workbook : with maturita training bank

Matrix : intermediate workbook / Jayne Wildman with Kathy Gude .  Oxford :  Oxford University Press,  2004 .  46 s.   [1, z toho volných 1]

Matrix : intermediate student's book / Kathy Gude with Jayne Wildman .  Oxford :  Oxford University Press,  2003 .  152 s.   [1, z toho volných 1]

Matrix : pre-intermediate workbook / Rosemary Nixon with Kathy Gude and Michael Duckworth .  Oxford :  Oxford University Press,  2003 .  62 s.   [1, z toho volných 1]