APA aipamena

Ferguson, K. (1991). Stephen Hawking: Quest for a theory of everything. Bantam.

Chicago Style aipamena

Ferguson, Kitty. Stephen Hawking: Quest for a Theory of Everything. Toronto: Bantam, 1991.

MLA aipamena

Ferguson, Kitty. Stephen Hawking: Quest for a Theory of Everything. Bantam, 1991.