Gaya APA

Legros, J., Council, N, R. (2002). Geoscience data and collections National Resources in Peril . Washingthon: The National Academics Press.

Gaya MLA

Legros, Jean-Paul., Council, National, Research. "Geoscience data and collections National Resources in Peril". Washingthon: The National Academics Press, 2002. Text.