edited by Timothy E. Ford
Blackwell, 1993
Buku Teks SO
edited by R.S.K. Barnes and K.H. Mann
Blackwell, 1991
Buku Teks SO
edited by R.S.K. Barnes and K.H. Mann
Blackwell, 1991
Buku Teks SO
Rheinheimer, G.
John Wiley & Sons, 1980
Buku Teks SO
Fassett, Norman C.
University of Wisconsin Press, 1985
Buku Referensi