APA-čujuhus (7. p.)

Petroski, H. (2012). To forgive design: Understanding failure. Belknap Press of Harvard University Press.

Chicago-čujuhus (17. p.)

Petroski, Henry. To Forgive Design: Understanding Failure. Cambridge, Mass.: Belknap Press of Harvard University Press, 2012.

MLA-čujuhus (9. p.)

Petroski, Henry. To Forgive Design: Understanding Failure. Belknap Press of Harvard University Press, 2012.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.