Walgenbach, Paul H.
Harcourt Brace Jovanovich, 1990
Buku Teks
Walgenbach, Paul H.
Harcourt Brace Jovanovich, 1984
Buku Teks
Mongometry, A. Thomson
Masa Addison Wesley 1982, 1982
Buku Teks
Foulke, Roy Anderson, 1896-, author
McGraw-Hill, 1968
Buku Teks
Wild, John J., author
McGraw-Hill, 2001
Buku Teks