Giles, Ranald V.
McGraw-Hill, 1983
Buku Teks SO
Giles, Ranald V.
McGraw-Hill, 1962
Buku Teks
Daugherty, Robert L. (Robert Long), 1885-
McGraw-Hill, 1985
Buku Teks SO
Giles, Ranald V.
McGraw-Hill, 1962
Buku Teks SO
Manohar, M.
Vikas Publishing House PVT, LTD, 1983
Buku Teks SO