Fitz, J. (1892). Sweet potato culture. Giving full instructions from Starting the Plants to Harvesting and Storing the Crop: научное издание.
Chicago-Zitierstil (17. Ausg.)Fitz, J. Sweet Potato Culture. Giving Full Instructions from Starting the Plants to Harvesting and Storing the Crop: научное издание. 1892.
MLA-Zitierstil (9. Ausg.)Fitz, J. Sweet Potato Culture. Giving Full Instructions from Starting the Plants to Harvesting and Storing the Crop: научное издание. 1892.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.