Cita APA (7th ed.)
Stalker, P., & Stalker, P. A. o. c. o. t. w. (2007). A guide to countries of the world (Rev. 2nd ed.). Oxford University Press.
Cita Chicago (17th ed.)
Stalker, Peter, i Peter. A-Z of countries of the world Stalker. A Guide to Countries of the World. Rev. 2nd ed. New York: Oxford University Press, 2007.
Cita MLA (9th ed.)
Stalker, Peter, i Peter. A-Z of countries of the world Stalker. A Guide to Countries of the World. Rev. 2nd ed. Oxford University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.