Robertson, D. J. (1970). Labour market issues of the 1970s. New York: The Scottish Economic Society.
Παραπομπή Chicago StyleRobertson, D. J. Labour Market Issues of the 1970s. New York: The Scottish Economic Society, 1970.
Παραπομπή MLARobertson, D. J. Labour Market Issues of the 1970s. New York: The Scottish Economic Society, 1970.
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