Cita APA (7th ed.)

Christoopher, P. J. (2009). Greatest citie in the world you should visit. Indiana Publishing House.

Cita Chicago (17th ed.)

Christoopher, Paul J. Greatest Citie in the World You Should Visit. New Delhi: Indiana Publishing House, 2009.

Cita MLA (9th ed.)

Christoopher, Paul J. Greatest Citie in the World You Should Visit. Indiana Publishing House, 2009.