Gaya APA

Bankston, John. (2005). Stephen Hawking: breaking the boundaries of time and space . Berkeley Heights, NJ: Enslow.

Gaya Chicago

Bankston, John. Stephen Hawking: breaking the boundaries of time and space. Berkeley Heights, NJ: Enslow, 2005. Text.

Gaya MLA

Bankston, John. Stephen Hawking: breaking the boundaries of time and space. Berkeley Heights, NJ: Enslow, 2005. Text.

Gaya Turabian

Bankston, John. Stephen Hawking: breaking the boundaries of time and space. Berkeley Heights, NJ: Enslow, 2005. Print.