Não informado. (2002). Building age and national builder. David Williams.
Chicagoスタイル(17版)引用形式Não informado. Building Age and National Builder. New York: David Williams, 2002.
MLA(8版)引用形式Não informado. Building Age and National Builder. David Williams, 2002.
警告: この引用は必ずしも正確ではありません.