APA ציטוט

Zalasiewicz,Jan, & Mark Williams. (2013). The goldilocks planet. OUP.

Chicago Edition Citation

Zalasiewicz,Jan, and Mark Williams. The Goldilocks Planet. New york: OUP, 2013.

ציטוט MLA

Zalasiewicz,Jan, and Mark Williams. The Goldilocks Planet. OUP, 2013.