Gaya APA

The Statesman's year-book, statistical and historical annual of the states of the world for the year 1980-1981. ed.by John Paxton. Cet. pertama 1864. . (1980). New York: StMartin's Press.

Gaya MLA

The Statesman's year-book, statistical and historical annual of the states of the world for the year 1980-1981. ed.by John Paxton. Cet. pertama 1864. . . New York: StMartin's Press, 1980. Buku.