Spera, D. A. (1994). Wind turbine technology: Fundamental concepts of wind turbine engineering (2. print.). ASME Press.
Chicago Style (17th ed.) CitationSpera, David A. Wind Turbine Technology: Fundamental Concepts of Wind Turbine Engineering. 2. print. New York: ASME Press, 1994.
MLA (9th ed.) CitationSpera, David A. Wind Turbine Technology: Fundamental Concepts of Wind Turbine Engineering. 2. print. ASME Press, 1994.
Warning: These citations may not always be 100% accurate.