Descriptor list for peach (Prunus persica) / Editors E. Bellini ; R. Watkins . Rome :  Internat. Board for Plant Genetic Resources , 1984 . 34 s . [2, z toho požičaných 0]

Success at first certificate ; Teacher's book. With revision tests / Robert O'neill, Michael Duckworth, Kathy Gude . Oxford :  Oxford University Press , 1993 . 158 s . ISBN 0-19-453266-6 . [1, z toho požičaných 0]