College algebra and trigonometry/Steven Bryant...[etal]
Goodyear, , 1974"
 Buku Teks SO
Aiken, Daymond J.
"Algebra: its big ideas and skills basic, Book 2"
"New York: McGraw-Hill, 1957",
 Buku Teks
Archbold, J.W.
Algebra
English Language Book Society, 1974
 Buku Teks SO
Flanders, Harley
Algebra
Academic Press, 1975
 Buku Teks SO
Lang, Serge, 1927-2005
Algebra
Addison-Wesely, 1974
 Buku Teks SO