APA

ONU, . (1967). Assessment of the magnitude and frequency of flood flows. New York: United Nations.

Chicago

ONU, . 1967. Assessment of the magnitude and frequency of flood flows. New York: United Nations.

Harvard

ONU, . (1967). Assessment of the magnitude and frequency of flood flows. New York: United Nations.

MLA

ONU, . Assessment of the magnitude and frequency of flood flows. New York: United Nations. 1967.