MLA

Koh, Jaecheol. Siemens Nx 8/8.5 Surface Design : a Step by Step Guide. Seoul: Onsia, 2014.

APA

Koh, J. (2014). Siemens NX 8/8.5 surface design : a step by step guide. Seoul: Onsia.

Chicago

Koh, Jaecheol, Siemens NX 8/8.5 Surface Design: A Step by Step Guide. Seoul: Onsia, 2014.