Gaya APA
RUBIN, J.
(1994).
HANDBOOK OF USABILITY TESTING; HOW TO PLAN, DESIGN, AND CONDUCT EFFECTIVE TESTS
.
:
.
Gaya MLA
RUBIN, Jeffrey.
"HANDBOOK OF USABILITY TESTING; HOW TO PLAN, DESIGN, AND CONDUCT EFFECTIVE TESTS".
:
,
1994.
Handbook.