Chrest, Anthony P., author
Chapman & Hall, 1996
Buku Referensi
Tonias, Demetrios E.
McGraw-Hill , 2007
Buku Teks
Tonis, Demetrios E.
McGraw-Hill, 1994
Buku Teks
Tonias, Demetrios E.
McGraw-Hill , 1995
Buku Teks
Maleev, Vladimir Leonidas, 1879-, author
McGraw-Hill, 1954
Buku Teks