F., W., J., Stanley, B.(1993).Cities of the world : world regional urban development / editor, Stanley D. Brunn, Jack F. Williams (2nd ed.).New York:Harper Collins College Publishers.
Gaya MLA
Williams, Jack, F.., Brunn, Stanley."Cities of the world : world regional urban development / editor, Stanley D. Brunn, Jack F. Williams".2nd ed.New York:Harper Collins College Publishers,1993.Textbook.