APA aipamena

(1971). Fourth five year plan 1969-74: Statement and brief description of programme.

Chicago Style aipamena

Fourth Five Year Plan 1969-74: Statement and Brief Description of Programme. 1971.

MLA aipamena

Fourth Five Year Plan 1969-74: Statement and Brief Description of Programme. 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.