APA-referens (7:e uppl.)

SINGH YOGESH. (2012). SOFTWARE TESTING (1ST ED.). CAMBRIDGE UNIVERSITY PRESS.

Chicago-referens (17:e uppl.)

SINGH YOGESH. SOFTWARE TESTING. 1ST ED. DELHI: CAMBRIDGE UNIVERSITY PRESS, 2012.

MLA-referens (9:e uppl.)

SINGH YOGESH. SOFTWARE TESTING. 1ST ED. CAMBRIDGE UNIVERSITY PRESS, 2012.