Yakubu A, Musa-Azara I S and Haruna H S 2014:  
Village guinea fowl (Numidia meleagris) production systems in Nasarawa State, north central Nigeria: flock characteristics, husbandry and productivity. 
 Livestock Research for Rural Development. Volume 26, Article #41. 
 Retrieved 
, from http://www.lrrd.org/lrrd26/3/yaku26041.htm