APA aipamena

Kirn, E. (1989). About the U.S.D. Washington, DC.: United states Department of state.

Chicago Style aipamena

Kirn, Elaine. About the U.S.D. Washington, DC.: United states Department of state, 1989.

MLA aipamena

Kirn, Elaine. About the U.S.D. Washington, DC.: United states Department of state, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.