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.