एपीए उद्धरण

Sextro, W. (2020). Dynamical Contact Problems with Friction. Springer Berlin Heidelberg.

शिकागो स्टाइल उद्धरण

Sextro, Walter. Dynamical Contact Problems With Friction. Springer Berlin Heidelberg, 2020.

एमएलए उद्धरण

Sextro, Walter. Dynamical Contact Problems With Friction. Springer Berlin Heidelberg, 2020.