Laidlaw, A. F. (1962). Training and extension in the co-operative movement: A guide for fieldmen and extension workers. FAO.

Laidlaw, Alexander F. Training and Extension in the Co-operative Movement: A Guide for Fieldmen and Extension Workers. Rome: FAO, 1962.

Laidlaw, Alexander F. Training and Extension in the Co-operative Movement: A Guide for Fieldmen and Extension Workers. FAO, 1962.