Kipping, F.B.
W & R Chambers, 1957
Buku Teks
Baum, Stuart J., author
Macmillan, 1993
Buku Teks
Wiseman, Peter, author
Applied Science, 1971
Buku Teks
Streitwieser, Andrew, author
Macmillan, 1976
Buku Teks
by Royston M. Roberts ... [et al.]
Rinehart and Winston, 1969
Buku Teks