Stiles ,Walter. (1994). Principles of plant physiology. Discovery.
Cita Chicago Style (17a ed.)Stiles ,Walter. Principles of Plant Physiology. New Delhi: Discovery, 1994.
Cita MLA (9a ed.)Stiles ,Walter. Principles of Plant Physiology. Discovery, 1994.
Precaución: Estas citas no son 100% exactas.