APA (7e ed.) Bronvermelding

Association of Official Agricultural Chemists. (1919). Official methods of analysis (11th ed.). [s.n.].

Chicago (17e ed.) Bronvermelding

Association of Official Agricultural Chemists. Official Methods of Analysis. 11th ed. Washington: [s.n.], 1919.

MLA (9e ed.) Bronvermelding

Association of Official Agricultural Chemists. Official Methods of Analysis. 11th ed. [s.n.], 1919.