एपीए उद्धरण

Narayana, K., Reddy, S., & Rao, P. (2002). Metal working and metrology: (production technology-III). Scitech publications.

शिकागो स्टाइल उद्धरण

Narayana, K.L, S.Sudhakara Reddy, और P.Divakara Rao. Metal Working and Metrology: (production Technology-III). Chennai: Scitech publications, 2002.

एमएलए उद्धरण

Narayana, K.L, et al. Metal Working and Metrology: (production Technology-III). Scitech publications, 2002.