APA (7e ed.) Bronvermelding

Armstrong, W. (1980). Better tools for the job: Specifications for hand tools and equipment. Intermidiate Technology Publications.

Chicago (17e ed.) Bronvermelding

Armstrong, William. Better Tools for the Job: Specifications for Hand Tools and Equipment. London: Intermidiate Technology Publications, 1980.

MLA (8e ed.) Bronvermelding

Armstrong, William. Better Tools for the Job: Specifications for Hand Tools and Equipment. Intermidiate Technology Publications, 1980.