Drapala, J., & Kuchar, L. (2008). Metallurgy of pure metals: Methods of refining pure substances. Cambridge, UK: Cambridge International Science Pub..
Чикагска система за цитиранеDrapala, Jaromir., и Lumir Kuchar. Metallurgy of Pure Metals: Methods of Refining Pure Substances. Cambridge, UK: Cambridge International Science Pub., 2008.
MLA формат за цитиранеDrapala, Jaromir., и Lumir Kuchar. Metallurgy of Pure Metals: Methods of Refining Pure Substances. Cambridge, UK: Cambridge International Science Pub., 2008.
Внимание: Тези цитати може да не са 100% точни.