Dyfyniad APA

Ford, G. (1978). UNISIST guidelines for the conduct of user studies. UNESCO.

Dyfyniad Arddull Chicago

Ford, Geoffrey. UNISIST Guidelines for the Conduct of User Studies. Paris: UNESCO, 1978.

Dyfyniad MLA

Ford, Geoffrey. UNISIST Guidelines for the Conduct of User Studies. UNESCO, 1978.

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