Walther, L. (1926). Some experiments in vocational psychophysiology. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Walther, L. Some Experiments in Vocational Psychophysiology. International Labour Organization, 1926.
Citatione MLA (9a ed.)Walther, L. Some Experiments in Vocational Psychophysiology. International Labour Organization, 1926.
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