Παραπομπή APA

United nations industrial development organisation. (1980). Manual for evaluation of industrial projects. Oxford & IBH publishing co.

Παραπομπή Chicago Style

United nations industrial development organisation. Manual for Evaluation of Industrial Projects. New York: Oxford & IBH publishing co, 1980.

Παραπομπή MLA

United nations industrial development organisation. Manual for Evaluation of Industrial Projects. Oxford & IBH publishing co, 1980.