Cooper, Geoffrey M.
Massachusetts Sinauer Associates, 2013
Buku Teks SO
Cooper, Geoffrey M.
Oxford University Press, 2019
Buku Teks SO
Roberts, M.B.V.
Thomas Nelson & Sons, 1971
Buku Teks SO
Crawford, Daniel J.
John Wiley & Sons, 1990
Buku Teks SO
Fosket, Donald E.
Academic press, 1994
Buku Teks SO