(1891). Vermont state Agricultural experiment station: научное издание. Bulletin No 23, march 1891, Analyses of Fertilizers Licensed for Sale in the State of Vermont in the Year 1891.
Chicago-Zitierstil (17. Ausg.)Vermont State Agricultural Experiment Station: научное издание. Bulletin No 23, March 1891, Analyses of Fertilizers Licensed for Sale in the State of Vermont in the Year 1891. 1891.
MLA-Zitierstil (9. Ausg.)Vermont State Agricultural Experiment Station: научное издание. Bulletin No 23, March 1891, Analyses of Fertilizers Licensed for Sale in the State of Vermont in the Year 1891. 1891.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.