Duncan, Acheson J.
D.B. Taraporevala Sons, 1969
Buku Teks SO
Beach, David P.
Prentice-Hall, 1990
Buku Teks
Freeman, Harry M.
McGraw-Hill, 1971
Buku Referensi
edited by. Herbert F. Lund
McGraw-Hill, 1971
Buku Referensi
by Madan G. Singh ... [et al.]
Pergamon Press, 1980
Buku Teks