edited by John L. Clayton and H. Handoyo
Ichtiar Baru - Van Hoeve, 1987
Buku Teks
Chen, James C. P., author
Wiley, 1985
Buku Referensi
Pergamon Press, 1978
Buku Teks
William Bright, editor-in-chief
Oxford University Press, 1992
Buku Referensi
Americana Corporation, 1960
Buku Referensi