Παραπομπή APA
Giffen, R. s. 1. (1968). Stock exchange securities: An essay on the general causesof fluctuations in their prices. New York: Augustus M. Kelley.
Παραπομπή Chicago StyleGiffen, Robert sir 1837-1910. Stock Exchange Securities: An Essay On the General Causesof Fluctuations in Their Prices. New York: Augustus M. Kelley, 1968.
Παραπομπή MLAGiffen, Robert sir 1837-1910. Stock Exchange Securities: An Essay On the General Causesof Fluctuations in Their Prices. New York: Augustus M. Kelley, 1968.
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