Gaya APA
Gibbon, E., Trevor-Roper, H. (1993).
The decline and fall of the roman empire (1 st ed.).
London:
David Campbell Publishers Ltd.
Gaya MLA
Gibbon, Edward., Trevor-Roper, Hugh.
"The decline and fall of the roman empire".
1 st ed.
London:
David Campbell Publishers Ltd,
1993.
Text.