एपीए उद्धरण

Barrera, O., Cocks, A., & Ponter, A. (2020). Advances in Direct Methods for Materials and Structures. 1st ed. 2018. Springer International Publishing.

शिकागो स्टाइल उद्धरण

Barrera, Olga, Alan Cocks, और Alan Ponter. Advances in Direct Methods for Materials and Structures. 1st Ed. 2018. Springer International Publishing, 2020.

एमएलए उद्धरण

Barrera, Olga, Alan Cocks, और Alan Ponter. Advances in Direct Methods for Materials and Structures. 1st Ed. 2018. Springer International Publishing, 2020.