Grayson, P. E. (1949). A technique for analyzing causally related factors affecting price.
Čikaški stil citiranja (17. izdanje)Grayson, Paul Eugene. A Technique for Analyzing Causally Related Factors Affecting Price. [Ithaca, N.Y.], 1949.
MLA način citiranja (8. izdanje)Grayson, Paul Eugene. A Technique for Analyzing Causally Related Factors Affecting Price. 1949.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.