Cita APA (7a ed.)

Hewitt, K., & Wall, T. (2000). Zinc Industry. Woodhead Pub..

Cita Chicago Style (17a ed.)

Hewitt, Ken, y Tony Wall. Zinc Industry. Cambridge: Woodhead Pub., 2000.

Cita MLA (8a ed.)

Hewitt, Ken, y Tony Wall. Zinc Industry. Woodhead Pub., 2000.