Παραπομπή APA
Lund, P. J. (1971). Investment: The study of an economic aggregate. Edinburgh: Oliver and Boyd.
Παραπομπή Chicago StyleLund, Philip J. Investment: The Study of an Economic Aggregate. Edinburgh: Oliver and Boyd, 1971.
Παραπομπή MLALund, Philip J. Investment: The Study of an Economic Aggregate. Edinburgh: Oliver and Boyd, 1971.
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