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.