Baumeister, Theodore
Mcgraw-Hill, 1967
Buku Referensi
Avallone, Eugene A.
McGraw-Hill, 1987
Buku Referensi
Mcgraw-Hill, 1987
Buku Referensi
Bray, Richard Nicholas
Arnold, 1997
Buku Referensi
editor, Robert H. Perry, Don Green, James O. Maloney
McGraw-Hill, 1984
Buku Referensi