APA aipamena

Commerce Clearing House. (1990). Tax treaties. Commerce Clearing House.

Chicago Style aipamena

Commerce Clearing House. Tax Treaties. Chicago, Ill.: Commerce Clearing House, 1990.

MLA aipamena

Commerce Clearing House. Tax Treaties. Commerce Clearing House, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.