APA stil citiranja

(1988). Pittsburgh: Pittsburgh : the city with a smile. Pittsburgh: Greater Pittsburgh Convention & Visitors Bureau, Inc.

Chicago stil citiranja

Pittsburgh: Pittsburgh : the city with a smile. Pittsburgh: Greater Pittsburgh Convention & Visitors Bureau, Inc, 1988.

MLA stil citiranja

Pittsburgh: Pittsburgh : the city with a smile. Pittsburgh: Greater Pittsburgh Convention & Visitors Bureau, Inc, 1988.

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