Gaya APA
O\'Leary, T, J., William, B, K. (1989).
Test items for computers and information systems .
California:
The Benjamin / Cummings Pub..
Gaya MLA
O\'Leary, Timothy, J., William, Brian, K.
"Test items for computers and information systems".
California:
The Benjamin / Cummings Pub.,
1989.
Text.