APA
Black S., . (1989). How to plan exhibitions and conferences from A to Z. New Delhi: Universal book stall.
Chicago
Black Sam, . 1989. How to plan exhibitions and conferences from A to Z. New Delhi: Universal book stall.
Harvard
Black S., . (1989). How to plan exhibitions and conferences from A to Z. New Delhi: Universal book stall.
MLA
Black Sam, . How to plan exhibitions and conferences from A to Z. New Delhi: Universal book stall. 1989.