Seyhan, Ersin
Gadjah Mada University Press , 1995
Buku Teks
Seyhan, Ersin
Gadjah Mada University Press , 1993
Buku Teks
Wilson, E.M.
Institut Teknologi Bandung, 1990
Buku Teks
Lee, Richard
Gadjah Mada University press, 1988
Buku Teks
Mutreja, K.N.
Tata McGraw-Hill, 1994
Buku Teks