Mott, Michael S; Rutherford, Angela S; Mott, Jacqueline M; McClelland, Susan S; Williams-Black, Thea H Pearson Learning Solutions 2014 Pehmeäkantinen kirja
MacLaren, Professor I.S.; Payne, Michael; Murphy, Peter J.; Reichwein, PearlAnn; McDermott, Lisa; Taylor, C. J.; Zezulka-Maillou University of Alberta Press 2007 Pehmeäkantinen kirja