APA
U.N.I.D.O, . (1969). Water-saving techniques in food-processing plants. United Natios, New York: .
Chicago
U.N.I.D.O, . 1969. Water-saving techniques in food-processing plants. United Natios, New York: .
Harvard
U.N.I.D.O, . (1969). Water-saving techniques in food-processing plants. United Natios, New York: .
MLA
U.N.I.D.O, . Water-saving techniques in food-processing plants. United Natios, New York: . 1969.