Dyfyniad APA

Hadfield, P. (1991). Sixty seconds that will change the world: The coming Tokyo earthquake. London: Sidgwick & Jackson.

Dyfyniad Arddull Chicago

Hadfield, Peter. Sixty Seconds That Will Change the World: The Coming Tokyo Earthquake. London: Sidgwick & Jackson, 1991.

Dyfyniad MLA

Hadfield, Peter. Sixty Seconds That Will Change the World: The Coming Tokyo Earthquake. London: Sidgwick & Jackson, 1991.

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