Cita APA (7th ed.)

Ridge, I. (1991). Plant physiology. CBS Publishers & Distributors.

Cita Chicago (17th ed.)

Ridge, Irene. Plant Physiology. New Delhi: CBS Publishers & Distributors, 1991.

Cita MLA (9th ed.)

Ridge, Irene. Plant Physiology. CBS Publishers & Distributors, 1991.