Nelson, K. S. Flower and plant production in the greenhouse (4a ed.).
Cita Chicago (17th ed.)Nelson, Kennard S. Flower and Plant Production in the Greenhouse. 4a ed.
Cita MLA (8th ed.)Nelson, Kennard S. Flower and Plant Production in the Greenhouse. 4a ed.
Atenció: Aquestes cites poden no estar 100% correctes.