Viorst, Milton
Chilton Book, 1967
Buku Teks SO
Viorst, Milton
Chilton Books, 1965
Buku Teks SO
Robenso, James Harvey
Ginn , 1931
Buku Teks
Viorst, Milton
Chilton Book, 1965
Buku Teks SO
Ferguson, Wallace K.
Sir Isaac Pitman & Sons, [date of publication not identified]
Buku Teks