Stevenson, S., & Forbes, D. (2001). A companion guide to photography in the National Galleries of Scotland.
Lua i Stíl Chicago (17ú heag.)Stevenson, Sara, agus Duncan Forbes. A Companion Guide to Photography in the National Galleries of Scotland. Edinburgh, 2001.
Lua MLA (8ú heag.)Stevenson, Sara, agus Duncan Forbes. A Companion Guide to Photography in the National Galleries of Scotland. 2001.
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