From the title page in the journal: "Permission is hereby granted to anyone to reprint any article in whole or in part, providing customary credit is given, except "The Catastrophe of Confusion," "A World Divided," and "Power to Tax." Copied from English Wikipedia
omistamine – Pead materjali sobival viisil autorile omistama, tooma ära litsentsi lingi ja märkima ära, kas on tehtud muudatusi. Sobib, kui teed seda mõistlikul viisil, kuid seejuures ei tohi jääda muljet, et litsentsiandja tõstab esile sind või seda, et sina materjali kasutad.
https://creativecommons.org/licenses/by/3.0CC BY 3.0 Creative Commons Attribution 3.0 truetrue
((Information |Description=A diagram presenting the argument for free prices |Source=From the title page in the journal: "Permission is hereby granted to anyone to reprint any article in whole or in part, providing customary credit is given, except "The C