Dyfyniad APA

Bloch, A. (1986). Murphy's law complete: All the reasons why everything goes wrong! (NA.). Methuen.

Dyfyniad Arddull Chicago

Bloch, Arthur. Murphy's Law Complete: All the Reasons Why Everything Goes Wrong! NA. London: Methuen, 1986.

Dyfyniad MLA

Bloch, Arthur. Murphy's Law Complete: All the Reasons Why Everything Goes Wrong! NA. Methuen, 1986.

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