APA
Hardin T., . (1997). Forts and castles : masterpiece of architecture. New York: Todtri Productions Limited.
Chicago
Hardin Terri, . 1997. Forts and castles : masterpiece of architecture. New York: Todtri Productions Limited.
Harvard
Hardin T., . (1997). Forts and castles : masterpiece of architecture. New York: Todtri Productions Limited.
MLA
Hardin Terri, . Forts and castles : masterpiece of architecture. New York: Todtri Productions Limited. 1997.