Gaya APA
Nustad, H, L., Wesner, T, H. (1987).
Principles of elementary algebra with applications .
Dubuque, Lowa:
Wm. C. Brown Publishing.
Gaya MLA
Nustad, Harry, L.., Wesner, Terry, H..
"Principles of elementary algebra with applications".
Dubuque, Lowa:
Wm. C. Brown Publishing,
1987.
Text.