Gaya APA

HAWKING, S. (2002). ON THE SHOULDERS OF GIANTS : THE GREAT WORKS OF PHYSICS AND ASTRONOMY (Cet.ke-9). Philadelphia: Running Press.

Gaya MLA

HAWKING, Stephen. "ON THE SHOULDERS OF GIANTS : THE GREAT WORKS OF PHYSICS AND ASTRONOMY". Cet.ke-9 Philadelphia: Running Press, 2002. Text.