Smith, Gilbert M.
McGraww-Hill, 1955
Buku Teks
Vashishta, P.C.
S. Chand & Company LTD, 1984
Buku Teks
Sharma, O.P., 1953-
Tata McGraw-Hill, 2012
Buku Teks
Vashishta, B.R.
S. Chand & Company, 1985
Buku Teks
Wilson, Carl L.
Holt, Rinehart and Winston, 1962
Buku Teks