Croghan, A. (1971). A manual on the construction of an indexing language: Using educational technology as an example ([1st ed.].). Coburgh Publications.
Citace podle Chicago (17th ed.)Croghan, Antony. A Manual on the Construction of an Indexing Language: Using Educational Technology as an Example. [1st ed.]. London: Coburgh Publications, 1971.
Citace podle MLA (9th ed.)Croghan, Antony. A Manual on the Construction of an Indexing Language: Using Educational Technology as an Example. [1st ed.]. Coburgh Publications, 1971.
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