William Strahan (Firm), Strahan Archive (British Library), British Library, & British Library. (1989). The Strahan archive from the British Library, London. Research Publications.
Chicago-viite (17. p.)William Strahan (Firm), Strahan Archive (British Library), British Library, ja British Library. The Strahan Archive from the British Library, London. Reading, England ; Woodbridge, Conn.: Research Publications, 1989.
MLA-viite (8. p.)William Strahan (Firm), et al. The Strahan Archive from the British Library, London. Research Publications, 1989.
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