Gibbons, G. (1991). From seed to plant. Holiday House.
Cita Chicago Style (17a ed.)Gibbons, Gail. From Seed to Plant. New York: Holiday House, 1991.
Cita MLA (8a ed.)Gibbons, Gail. From Seed to Plant. Holiday House, 1991.
Precaución: Estas citas no son 100% exactas.