Lantz, James E.
N.Y.Appleton-Century-Crofts, 1978
Buku Teks
Levy, John.,
Alfred A. Knoff, 1964
Buku Teks
Hinton, Gertrude D. M.
Fearon Publ., 1969
Buku Teks
Lianny Hendrata, author
Pohon Cahaya, 2011
Buku Teks
Julian, Cloyd, author
Holt, Rinehart and Winston, 1972
Buku Teks