APA aipamena

Nock, R. S., & Pickering, M. A. (1972). Value-added tax guide. Haymarket.

Chicago Style aipamena

Nock, R. S., and M. A. Pickering. Value-added Tax Guide. London: Haymarket, 1972.

MLA aipamena

Nock, R. S., and M. A. Pickering. Value-added Tax Guide. Haymarket, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.