Paxton, J. (1986). The Statesman's year-book: Statistical and historical annual of the states of the world for the year 1986-1987 (123rd ed.). St. Martin's Press.
Dyfyniad Arddull ChicagoPaxton, John. The Statesman's Year-book: Statistical and Historical Annual of the States of the World for the Year 1986-1987. 123rd ed. New York: St. Martin's Press, 1986.
Dyfyniad MLAPaxton, John. The Statesman's Year-book: Statistical and Historical Annual of the States of the World for the Year 1986-1987. 123rd ed. St. Martin's Press, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.