Lenk, John D., author
McGraw-Hill, 1994
Buku Referensi
Lenk, John D., author
McGraw-Hill, 1993
Buku Referensi
Lenk, John D., author
McGraw-Hill, 1995
Buku Referensi
edited by Sybil P. Parker
McGraw-Hill, 1984
Buku Referensi
Ganic, Ejup N., author
McGraw-Hill, 2003
Buku Teks