APA
NATIONAL COUNCIL OF APPLIED RESEARCH, NATIONAL COUNCIL OF APPLIED RESEARCH, . (1971). Proceedings at discussion session . December. s.l: National council of Applied Economic Research.
Chicago
NATIONAL COUNCIL OF APPLIED RESEARCH, NATIONAL COUNCIL OF APPLIED RESEARCH, . 1971. Proceedings at discussion session . December. s.l: National council of Applied Economic Research.
Harvard
NATIONAL COUNCIL OF APPLIED RESEARCH, NATIONAL COUNCIL OF APPLIED RESEARCH, . (1971). Proceedings at discussion session . December. s.l: National council of Applied Economic Research.
MLA
NATIONAL COUNCIL OF APPLIED RESEARCH, NATIONAL COUNCIL OF APPLIED RESEARCH, . Proceedings at discussion session . December. s.l: National council of Applied Economic Research. 1971.
