APA-viite (7. p.)

Sale, D. (2014). Testing Python: Applying unit testing, TDD, BDD, and acceptance testing. John Wiley & Sons Ltd..

Chicago-viite (17. p.)

Sale, David. Testing Python: Applying Unit Testing, TDD, BDD, and Acceptance Testing. Chichester, West Sussex, U.K.: John Wiley & Sons Ltd., 2014.

MLA-viite (8. p.)

Sale, David. Testing Python: Applying Unit Testing, TDD, BDD, and Acceptance Testing. John Wiley & Sons Ltd., 2014.