Freeman, Harry M.
McGraw-Hill, 1971
Buku Referensi
edited by. Herbert F. Lund
McGraw-Hill, 1971
Buku Referensi
Parr, E.A.
Butterworth-Heinemann, 1995
Buku Referensi
edited by Robert U. Ayres and Leslie W. Ayres
Edward Elgar Publishing, 2001
Buku Referensi
Freeman, Harry M.
McGraw-Hill, [1995;1995, 1995]
Buku Referensi