APA-viite

Sharma G D. (2010). Heavy metal pollution and mycorrhiza. Today & Tomorrow's printers.

Chicago-tyylinen lähdeviittaus

Sharma G D. Heavy Metal Pollution and Mycorrhiza. New Delhi: Today & Tomorrow's printers, 2010.

MLA-viite

Sharma G D. Heavy Metal Pollution and Mycorrhiza. Today & Tomorrow's printers, 2010.