APA aipamena

Holtzman, A. (1966). Interest groups and lobbyng. The MacMillan.

Chicago Style aipamena

Holtzman, Abraham. Interest Groups and Lobbyng. New York: The MacMillan, 1966.

MLA aipamena

Holtzman, Abraham. Interest Groups and Lobbyng. The MacMillan, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.