Polak, P. (1979). Systematic errors in engineering experiments. Gulf Publishing.
Čikaški stil citiranja (17. izdanje)Polak, Peter. Systematic Errors in Engineering Experiments. Houston: Gulf Publishing, 1979.
MLA način citiranja (9. izdanje)Polak, Peter. Systematic Errors in Engineering Experiments. Gulf Publishing, 1979.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.