Read, H.H., author
ELBS and Macmillan, 1975
Buku Teks
Read, H.H., author
ELBS and Macmillan, 1975
Buku Teks
Energlyn, Lord
McGraw-Hill, 1973
Buku Teks
edited by D. Poche, C.M. Woolheater
Burgess, 1967
Buku Teks
Leet, Lewis Don, author
Prentice-Hall, 1958
Buku Teks