APA-viite

Hatch, F. H., & Wells,A.K. Wells,M.K. (1984). Petrology of the igneous rocks. CBS publishers.

Chicago-tyylinen lähdeviittaus

Hatch, F. H., ja Wells,A.K. Wells,M.K. Petrology of the Igneous Rocks. Delhi: CBS publishers, 1984.

MLA-viite

Hatch, F. H., ja Wells,A.K. Wells,M.K. Petrology of the Igneous Rocks. CBS publishers, 1984.