Keir, D. (1952). The House of Collins: The story of a Scottish family of publishers from 1789 to the present day. Collins.
Citace podle Chicago (17th ed.)Keir, David. The House of Collins: The Story of a Scottish Family of Publishers from 1789 to the Present Day. London: Collins, 1952.
Citace podle MLA (8th ed.)Keir, David. The House of Collins: The Story of a Scottish Family of Publishers from 1789 to the Present Day. Collins, 1952.
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