Dyfyniad APA

Petroski, H. (1992). To engineer is human: The role of failure in successful design. New York: Vintage Books.

Dyfyniad Arddull Chicago

Petroski, Henry. To Engineer Is Human: The Role of Failure in Successful Design. New York: Vintage Books, 1992.

Dyfyniad MLA

Petroski, Henry. To Engineer Is Human: The Role of Failure in Successful Design. New York: Vintage Books, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.