Clay, C., & Greenway, D. E. (1973). The Yorkshire Archaeological Society: Ed. by Charles Clay with ill. documents ed. by Diana E. Greenway. Yorkshire Archaeological Society.
Lua i Stíl Chicago (17ú heag.)Clay, Charles, agus Diana E. Greenway. The Yorkshire Archaeological Society: Ed. by Charles Clay with Ill. Documents Ed. by Diana E. Greenway. [York]: Yorkshire Archaeological Society, 1973.
Lua MLA (8ú heag.)Clay, Charles, agus Diana E. Greenway. The Yorkshire Archaeological Society: Ed. by Charles Clay with Ill. Documents Ed. by Diana E. Greenway. Yorkshire Archaeological Society, 1973.
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