Association of Official Agricultural Chemists. (1919). Official methods of analysis (11th ed.). [s.n.].
Chicago-Zitierstil (17. Ausg.)Association of Official Agricultural Chemists. Official Methods of Analysis. 11th ed. Washington: [s.n.], 1919.
MLA-Zitierstil (9. Ausg.)Association of Official Agricultural Chemists. Official Methods of Analysis. 11th ed. [s.n.], 1919.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.