Meador, R. (1991). Guidelines for preparing proposals. Chelsea, Michigan: Lewis.
Chicago Style aipamenaMeador, Roy. Guidelines for Preparing Proposals. Chelsea, Michigan: Lewis, 1991.
MLA aipamenaMeador, Roy. Guidelines for Preparing Proposals. Chelsea, Michigan: Lewis, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.