Gaya APA
Osborne, A., Foley, G, D. (1990).
Graphing Calculator and Computer Graphing Laboratory manual .
London::
London: Addson-Wesley; 1982.
Gaya MLA
Osborne, Alan., Foley, Gregory, D.
"Graphing Calculator and Computer Graphing Laboratory manual".
London::
London: Addson-Wesley; 1982,
1990.
Text.