Gaya APA
Hobsbawm, E. (1999).
Age of extremes: The short twentieth century, 1914-1991. .
London & New York:
London & New York Pinter.
Gaya MLA
Hobsbawm, Eric.
"Age of extremes: The short twentieth century, 1914-1991. ".
London & New York:
London & New York Pinter,
1999.
Buku.