Παραπομπή APA

Purvis-Roberts, K. L. A., Spiro, T. G. A., & Stigliani, W. M. A. (2012). Chemistry of the environment (3rd ed.).

Παραπομπή Chicago Style

Purvis-Roberts, Kathleen L; Author, Thomas G; Author Spiro, και William M; Author Stigliani. Chemistry of the Environment. 3rd ed. Dulles, University Science Books RA, 2012.

Παραπομπή MLA

Purvis-Roberts, Kathleen L; Author, et al. Chemistry of the Environment. 3rd ed. 2012.