British Standards Institution. (1970). Specification, the abbreviation of titles of periodicals (1st revision.). BSI.
Citace podle Chicago (17th ed.)British Standards Institution. Specification, the Abbreviation of Titles of Periodicals. 1st revision. London: BSI, 1970.
Citace podle MLA (8th ed.)British Standards Institution. Specification, the Abbreviation of Titles of Periodicals. 1st revision. BSI, 1970.
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