APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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