APA
National Institute of Agricultural Extension Management, . (1997). Fertilizer and Product Guide. : SRAS Publications, Hyderabad.
Chicago
National Institute of Agricultural Extension Management, . 1997. Fertilizer and Product Guide. : SRAS Publications, Hyderabad.
Harvard
National Institute of Agricultural Extension Management, . (1997). Fertilizer and Product Guide. : SRAS Publications, Hyderabad.
MLA
National Institute of Agricultural Extension Management, . Fertilizer and Product Guide. : SRAS Publications, Hyderabad. 1997.
