APA

(1991). Guide to specifications for general notices general analytical techniques identification test solutions and other reference materials. Rome: Food and agriculture organization of the United Nations.

Chicago

1991. Guide to specifications for general notices general analytical techniques identification test solutions and other reference materials. Rome: Food and agriculture organization of the United Nations.

Harvard

(1991). Guide to specifications for general notices general analytical techniques identification test solutions and other reference materials. Rome: Food and agriculture organization of the United Nations.

MLA

Guide to specifications for general notices general analytical techniques identification test solutions and other reference materials. Rome: Food and agriculture organization of the United Nations. 1991.