Forsyth, D. J. C. (1989). Appropriate national technology policies: A manual for their assessment. International Labour Office.
Chicago Style (17. basım) AtıfForsyth, David J. C. Appropriate National Technology Policies: A Manual for Their Assessment. Geneva: International Labour Office, 1989.
MLA (9th ed.) AtıfForsyth, David J. C. Appropriate National Technology Policies: A Manual for Their Assessment. International Labour Office, 1989.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..