Dake, Jonas M.K.
Erlangga, 1985
Buku Teks SO
Brater, Ernest F. [Ernest Frederick], 1912-2003
McGraw-Hill, 1976
Buku Referensi
Brater, Ernest F. [Ernest Frederick], 1912-2003
McGraw-Hill, 1976
Buku Teks SO
Patel, R.C.
Charya Book Depot, 1978
Buku Teks SO
Khurmi, R.S.
S. Chand & Co., 1981
Buku Teks