APA

Demographic data on the victims of the september 11, 2001 terror attack on the World Trade Center, New York City. : .

Chicago

Demographic data on the victims of the september 11, 2001 terror attack on the World Trade Center, New York City. : .

Harvard

Demographic data on the victims of the september 11, 2001 terror attack on the World Trade Center, New York City. : .

MLA

: . .