(1958). Business and specialised publications of Great Britain, including annuals, year books and similar publications. s.n.
Chicago-viite (17. p.)Business and Specialised Publications of Great Britain, Including Annuals, Year Books and Similar Publications. London: s.n, 1958.
MLA-viite (9. p.)Business and Specialised Publications of Great Britain, Including Annuals, Year Books and Similar Publications. s.n, 1958.
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