Soule, J. (1985). Glossary for horticultural crops..: James Soule. Wiley.
Cita Chicago (17th ed.)Soule, James. Glossary for Horticultural Crops..: James Soule. New York: Wiley, 1985.
Cita MLA (9th ed.)Soule, James. Glossary for Horticultural Crops..: James Soule. Wiley, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.