Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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