Gaya APA

WILLOUGHBY, Kelvin W.. (1990). Technology choice A Critique of the appropriate technology movement . London: Intermediate Technology Publications.

Gaya Chicago

WILLOUGHBY, Kelvin W.. Technology choice A Critique of the appropriate technology movement. London: Intermediate Technology Publications, 1990. Teks.

Gaya MLA

WILLOUGHBY, Kelvin W.. Technology choice A Critique of the appropriate technology movement. London: Intermediate Technology Publications, 1990. Teks.

Gaya Turabian

WILLOUGHBY, Kelvin W.. Technology choice A Critique of the appropriate technology movement. London: Intermediate Technology Publications, 1990. Teks.