Dyfyniad APA

Hawking,, S. (1993). Hawking on the big bang and black holes (1st.). World Scientific.

Dyfyniad Arddull Chicago

Hawking,, Stephen. Hawking on the Big Bang and Black Holes. 1st. Singapore: World Scientific, 1993.

Dyfyniad MLA

Hawking,, Stephen. Hawking on the Big Bang and Black Holes. 1st. World Scientific, 1993.

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