APA
Luis Alberto Vargas, . (1985). Old and new transitions and nutrition in México. México D.F: .
Chicago
Luis Alberto Vargas, . 1985. Old and new transitions and nutrition in México. México D.F: .
Harvard
Luis Alberto Vargas, . (1985). Old and new transitions and nutrition in México. México D.F: .
MLA
Luis Alberto Vargas, . Old and new transitions and nutrition in México. México D.F: . 1985.
