Armstrong, W. (1980). Better tools for the job: Specifications for hand tools and equipment. Intermidiate Technology Publications.
Chicago (17e ed.) BronvermeldingArmstrong, William. Better Tools for the Job: Specifications for Hand Tools and Equipment. London: Intermidiate Technology Publications, 1980.
MLA (8e ed.) BronvermeldingArmstrong, William. Better Tools for the Job: Specifications for Hand Tools and Equipment. Intermidiate Technology Publications, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.