Soule, J. (1985). Glossary for horticultural crops..: James Soule. Wiley.
Chicago Style (17th ed.) ZitazioaSoule, James. Glossary for Horticultural Crops..: James Soule. New York: Wiley, 1985.
MLA (9th ed.) ZitazioaSoule, James. Glossary for Horticultural Crops..: James Soule. Wiley, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.