Martin Loney; Robert Bocock; John H. Clarke; Allan Douglas Cochrane; Peggotty A M Graham; Michael J Wilson Sage Publications Ltd (1991) Pehmeäkantinen kirja
Martin Loney; Robert Bocock; John H. Clarke; Allan Douglas Cochrane; Peggotty A M Graham; Michael J Wilson Sage Publications Ltd (1991) Kovakantinen kirja
Graham B. Blaine; Stanley King; Jane Leavy; Preston Munter; Douglas Powell; Janet Sand; Paul A. Walters Bloomsbury Publishing Plc (1988) Kovakantinen kirja