Viorst, Milton, author
Chilton Book Company, 1967
Buku Teks
edited, Daniel D. Mcgarry, Clarence L. Hohl
Houghton Miffiln, 1963
Buku Teks
Campbell, Kenneth L., 1955-, author
an imprint of Bloomsbury Publishing Plc, 2015, 2015
Buku Teks
D.C. Heath and Company , 1989
Buku Teks
Weber, Engen
D. C. Heath, 1959
Buku Teks