Nunz, Gregory J., author
McGraw-Hill, 1967
Buku Teks
Nunz, Gregory J., author
McGraw-Hill, 1967
Buku Teks
chief editor, Walter Ledermann; edtor, Steven Vajda
John Wiley & Sons, 1980
Buku Referensi
Grob, Bernard, author
Glencoe, 1992
Buku Teks
Cooke, Nelson M., author
McGraw-Hill, 1960
Buku Teks