Gaya APA
O'Malley, J, W. (2010).
A history of the popes: From Peter to the present. .
Lanham:
Lanham Rowman & Littlefield Pubvlishers.
Gaya MLA
O'Malley, John, W..
"A history of the popes: From Peter to the present. ".
Lanham:
Lanham Rowman & Littlefield Pubvlishers,
2010.
Buku.