Gaya APA

LANGDON, Philip, WELCH, Polly, Shibley, Robert G.. (1990). Urban excellence . New York: Van Nostrand Reinhold.

Gaya Chicago

LANGDON, Philip, WELCH, Polly, Shibley, Robert G.. Urban excellence. New York: Van Nostrand Reinhold, 1990. Text.

Gaya MLA

LANGDON, Philip, WELCH, Polly, Shibley, Robert G.. Urban excellence. New York: Van Nostrand Reinhold, 1990. Text.

Gaya Turabian

LANGDON, Philip, WELCH, Polly, Shibley, Robert G.. Urban excellence. New York: Van Nostrand Reinhold, 1990. Print.