Cita APA (7th ed.)
Julius Norwich, J., & Norwich, J. J. Great architecture of the world.
Cita Chicago (17th ed.)
Julius Norwich, John, i John Julius Norwich. Great Architecture of the World.
Cita MLA (9th ed.)
Julius Norwich, John, i John Julius Norwich. Great Architecture of the World.
Atenció: Aquestes cites poden no estar 100% correctes.