Hetzler, S. A. (1973). Applied measures for promoting technological growth. Routledge & Kegan Paul.
Dyfyniad Arddull ChicagoHetzler, Stanley A. Applied Measures for Promoting Technological Growth. London: Routledge & Kegan Paul, 1973.
Dyfyniad MLAHetzler, Stanley A. Applied Measures for Promoting Technological Growth. Routledge & Kegan Paul, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.