APA-čujuhus (7. p.)
Black, R. Critical Testing Processes: Plan, Prepare, Perform, Perfect. Addison-Wesley.
Chicago-čujuhus (17. p.)
Black, Rex. Critical Testing Processes: Plan, Prepare, Perform, Perfect. Boston, EUA: Addison-Wesley.
MLA-čujuhus (9. p.)
Black, Rex. Critical Testing Processes: Plan, Prepare, Perform, Perfect. Addison-Wesley.
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