Cita APA (7a ed.)

Spera, D. A. (1994). Wind turbine technology fundamental concepts of wind turbine engineering (3a ed.). A.S.M.E.

Cita Chicago Style (17a ed.)

Spera, David A. Wind Turbine Technology Fundamental Concepts of Wind Turbine Engineering. 3a ed. New York: A.S.M.E, 1994.

Cita MLA (9a ed.)

Spera, David A. Wind Turbine Technology Fundamental Concepts of Wind Turbine Engineering. 3a ed. A.S.M.E, 1994.