APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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