Gaya APA

fundamental aspects of appropriate technology. (1980). Netherlands: Delft University Press.

Gaya Chicago

fundamental aspects of appropriate technology. . Netherlands: Delft University Press, 1980. Text.

Gaya MLA

fundamental aspects of appropriate technology. . Netherlands: Delft University Press, 1980. Text.

Gaya Turabian

fundamental aspects of appropriate technology. Netherlands: Delft University Press, 1980. Print.